56945388 has 48 divisors (see below), whose sum is σ = 140120064. Its totient is φ = 17973120.

The previous prime is 56945363. The next prime is 56945389. The reversal of 56945388 is 88354965.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56945389) 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, 15856 + ... + 19112.

It is an arithmetic number, because the mean of its divisors is an integer number (2919168).

Almost surely, 2^56945388 is an apocalyptic number.

It is an amenable number.

56945388 is an abundant number, since it is smaller than the sum of its proper divisors (83174676).

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

56945388 is a wasteful number, since it uses less digits than its factorization.

56945388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342 (or 3340 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The square root of 56945388 is about 7546.2168004902. The cubic root of 56945388 is about 384.7271648806.

The spelling of 56945388 in words is "fifty-six million, nine hundred forty-five thousand, three hundred eighty-eight".