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56559190688 = 25711213433733
BaseRepresentation
bin110100101011001100…
…001100001010100000
312101222201002120201022
4310223030030022200
51411313123100223
641552151425012
74041406121450
oct645314141240
9171881076638
1056559190688
1121a94209100
12ab65685168
135444946350
142a47901d60
151710638ac8
hexd2b30c2a0

56559190688 has 288 divisors, whose sum is σ = 154183252608. Its totient is φ = 19862599680.

The previous prime is 56559190679. The next prime is 56559190693. The reversal of 56559190688 is 88609195565.

It is a self number, because there is not a number n which added to its sum of digits gives 56559190688.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15149270 + ... + 15153002.

It is an arithmetic number, because the mean of its divisors is an integer number (535358516).

Almost surely, 256559190688 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 56559190688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77091626304).

56559190688 is an abundant number, since it is smaller than the sum of its proper divisors (97624061920).

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

56559190688 is a wasteful number, since it uses less digits than its factorization.

56559190688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828 (or 3809 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 62.

The spelling of 56559190688 in words is "fifty-six billion, five hundred fifty-nine million, one hundred ninety thousand, six hundred eighty-eight".