56540694732 has 48 divisors (see below), whose sum is σ = 133407792000. Its totient is φ = 18636624000.

The previous prime is 56540694709. The next prime is 56540694739. The reversal of 56540694732 is 23749604565.

It is a super-3 number, since 3×56540694732³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (56540694739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351144 + ... + 486192.

It is an arithmetic number, because the mean of its divisors is an integer number (2779329000).

Almost surely, 2^56540694732 is an apocalyptic number.

It is an amenable number.

56540694732 is an abundant number, since it is smaller than the sum of its proper divisors (76867097268).

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

56540694732 is a wasteful number, since it uses less digits than its factorization.

56540694732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135446 (or 135444 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 56540694732 in words is "fifty-six billion, five hundred forty million, six hundred ninety-four thousand, seven hundred thirty-two".