56611454770 has 32 divisors (see below), whose sum is σ = 113523243120. Its totient is φ = 20181907200.

The previous prime is 56611454759. The next prime is 56611454789. The reversal of 56611454770 is 7745411665.

It can be written as a sum of positive squares in 8 ways, for example, as 35688121569 + 20923333201 = 188913^2 + 144649^2 .

It is a super-2 number, since 2×56611454770² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56611454770.

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, 7504381 + ... + 7511920.

Almost surely, 2^56611454770 is an apocalyptic number.

56611454770 is an abundant number, since it is smaller than the sum of its proper divisors (56911788350).

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

56611454770 is a wasteful number, since it uses less digits than its factorization.

56611454770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15016350.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 56611454770 in words is "fifty-six billion, six hundred eleven million, four hundred fifty-four thousand, seven hundred seventy".