56617012755240 has 128 divisors (see below), whose sum is σ = 194963138784000. Its totient is φ = 12884520388608.

The previous prime is 56617012755211. The next prime is 56617012755283. The reversal of 56617012755240 is 4255721071665.

It is a super-2 number, since 2×56617012755240² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146971845 + ... + 147356564.

It is an arithmetic number, because the mean of its divisors is an integer number (1523149521750).

Almost surely, 2^{56617012755240} is an apocalyptic number.

It is an amenable number.

56617012755240 is an abundant number, since it is smaller than the sum of its proper divisors (138346126028760).

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

56617012755240 is a wasteful number, since it uses less digits than its factorization.

56617012755240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294328659 (or 294328655 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 51.

The spelling of 56617012755240 in words is "fifty-six trillion, six hundred seventeen billion, twelve million, seven hundred fifty-five thousand, two hundred forty".