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53291671456 = 25311131992389
BaseRepresentation
bin110001101000011011…
…100101111110100000
312002112222200101222111
4301220123211332200
51333120131441311
640252025245104
73564421506352
oct615033457640
9162488611874
1053291671456
1120667839591
12a3b3333794
1350439c720a
14281797d0d2
1515bd84ed21
hexc686e5fa0

53291671456 has 96 divisors (see below), whose sum is σ = 109855872000. Its totient is φ = 25419018240.

The previous prime is 53291671423. The next prime is 53291671529. The reversal of 53291671456 is 65417619235.

53291671456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22305910 + ... + 22308298.

It is an arithmetic number, because the mean of its divisors is an integer number (1144332000).

Almost surely, 253291671456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53291671456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54927936000).

53291671456 is an abundant number, since it is smaller than the sum of its proper divisors (56564200544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53291671456 is a wasteful number, since it uses less digits than its factorization.

53291671456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742 (or 2734 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 49.

The spelling of 53291671456 in words is "fifty-three billion, two hundred ninety-one million, six hundred seventy-one thousand, four hundred fifty-six".

Divisors: 1 2 4 8 16 31 32 62 113 124 199 226 248 398 452 496 796 904 992 1592 1808 2389 3184 3503 3616 4778 6169 6368 7006 9556 12338 14012 19112 22487 24676 28024 38224 44974 49352 56048 74059 76448 89948 98704 112096 148118 179896 197408 269957 296236 359792 475411 539914 592472 697097 719584 950822 1079828 1184944 1394194 1901644 2159656 2369888 2788388 3803288 4319312 5576776 7606576 8368667 8638624 11153552 14737741 15213152 16737334 22307104 29475482 33474668 53721443 58950964 66949336 107442886 117901928 133898672 214885772 235803856 267797344 429771544 471607712 859543088 1665364733 1719086176 3330729466 6661458932 13322917864 26645835728 53291671456