56380920 has 32 divisors (see below), whose sum is σ = 169143120. Its totient is φ = 15034880.

The previous prime is 56380913. The next prime is 56380921. The reversal of 56380920 is 2908365.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56380921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234801 + ... + 235040.

Almost surely, 2^56380920 is an apocalyptic number.

It is an amenable number.

56380920 is an abundant number, since it is smaller than the sum of its proper divisors (112762200).

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

56380920 is a wasteful number, since it uses less digits than its factorization.

56380920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469855 (or 469851 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 56380920 is about 7508.7229273692. The cubic root of 56380920 is about 383.4517458170.

The spelling of 56380920 in words is "fifty-six million, three hundred eighty thousand, nine hundred twenty".