56929185640 has 32 divisors (see below), whose sum is σ = 128235156480. Its totient is φ = 22745987392.

The previous prime is 56929185631. The next prime is 56929185641. The reversal of 56929185640 is 4658192965.

It is not an unprimeable number, because it can be changed into a prime (56929185641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766792 + ... + 837751.

It is an arithmetic number, because the mean of its divisors is an integer number (4007348640).

Almost surely, 2^56929185640 is an apocalyptic number.

It is an amenable number.

56929185640 is an abundant number, since it is smaller than the sum of its proper divisors (71305970840).

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

56929185640 is a wasteful number, since it uses less digits than its factorization.

56929185640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605441 (or 1605437 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 55.

The spelling of 56929185640 in words is "fifty-six billion, nine hundred twenty-nine million, one hundred eighty-five thousand, six hundred forty".