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53899087705 = 522747488183
BaseRepresentation
bin110010001100101000…
…101100111101011001
312011010022122100102121
4302030220230331121
51340341131301310
640432204301241
73615445454251
oct621450547531
9164108570377
1053899087705
11209496a2391
12a542841821
13510c7bb608
1428744d6961
151606d350da
hexc8ca2cf59

53899087705 has 8 divisors (see below), whose sum is σ = 64963835712. Its totient is φ = 42929316528.

The previous prime is 53899087679. The next prime is 53899087709. The reversal of 53899087705 is 50778099835.

53899087705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53899087705 - 211 = 53899085657 is a prime.

It is a super-2 number, since 2×538990877052 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53899087709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23742957 + ... + 23745226.

It is an arithmetic number, because the mean of its divisors is an integer number (8120479464).

Almost surely, 253899087705 is an apocalyptic number.

It is an amenable number.

53899087705 is a deficient number, since it is larger than the sum of its proper divisors (11064748007).

53899087705 is a wasteful number, since it uses less digits than its factorization.

53899087705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47488415.

The product of its (nonzero) digits is 19051200, while the sum is 61.

The spelling of 53899087705 in words is "fifty-three billion, eight hundred ninety-nine million, eighty-seven thousand, seven hundred five".

Divisors: 1 5 227 1135 47488183 237440915 10779817541 53899087705