56945389560 has 32 divisors (see below), whose sum is σ = 170836169040. Its totient is φ = 15185437184.

The previous prime is 56945389541. The next prime is 56945389607. The reversal of 56945389560 is 6598354965.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 56945389494 and 56945389503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237272337 + ... + 237272576.

Almost surely, 2^56945389560 is an apocalyptic number.

It is an amenable number.

56945389560 is an abundant number, since it is smaller than the sum of its proper divisors (113890779480).

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

56945389560 is a wasteful number, since it uses less digits than its factorization.

56945389560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474544927 (or 474544923 counting only the distinct ones).

The product of its (nonzero) digits is 34992000, while the sum is 60.

The spelling of 56945389560 in words is "fifty-six billion, nine hundred forty-five million, three hundred eighty-nine thousand, five hundred sixty".