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54489443635 = 5112343074659
BaseRepresentation
bin110010101111110100…
…101110110100110011
312012122110111112112001
4302233310232310303
51343043244144020
641010533514431
73636204425464
oct625764566463
9165573445461
1054489443635
1121121963550
12a6884a2a17
1351a4bbb653
1428cca8cd6b
15163da9a50a
hexcafd2ed33

54489443635 has 16 divisors (see below), whose sum is σ = 74433012480. Its totient is φ = 37905699040.

The previous prime is 54489443611. The next prime is 54489443653. The reversal of 54489443635 is 53634498445.

It is a happy number.

It is not a de Polignac number, because 54489443635 - 27 = 54489443507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

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, 21536065 + ... + 21538594.

It is an arithmetic number, because the mean of its divisors is an integer number (4652063280).

Almost surely, 254489443635 is an apocalyptic number.

54489443635 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54489443635 is a deficient number, since it is larger than the sum of its proper divisors (19943568845).

54489443635 is a wasteful number, since it uses less digits than its factorization.

54489443635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43074698.

The product of its digits is 24883200, while the sum is 55.

The spelling of 54489443635 in words is "fifty-four billion, four hundred eighty-nine million, four hundred forty-three thousand, six hundred thirty-five".

Divisors: 1 5 11 23 55 115 253 1265 43074659 215373295 473821249 990717157 2369106245 4953585785 10897888727 54489443635