56613044740 has 36 divisors (see below), whose sum is σ = 138297583116. Its totient is φ = 19410186432.

The previous prime is 56613044731. The next prime is 56613044743. The reversal of 56613044740 is 4744031665.

It can be written as a sum of positive squares in 2 ways, for example, as 44094120196 + 12518924544 = 209986^2 + 111888^2 .

It is a super-4 number, since 4×56613044740⁴ (a number of 44 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56613044693 and 56613044702.

It is not an unprimeable number, because it can be changed into a prime (56613044743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28883227 + ... + 28885186.

It is an arithmetic number, because the mean of its divisors is an integer number (3841599531).

Almost surely, 2^56613044740 is an apocalyptic number.

It is an amenable number.

56613044740 is an abundant number, since it is smaller than the sum of its proper divisors (81684538376).

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

56613044740 is a wasteful number, since it uses less digits than its factorization.

56613044740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57768436 (or 57768427 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 56613044740 in words is "fifty-six billion, six hundred thirteen million, forty-four thousand, seven hundred forty".