56620375 has 16 divisors (see below), whose sum is σ = 80758080. Its totient is φ = 38824800.

The previous prime is 56620357. The next prime is 56620409. The reversal of 56620375 is 57302665.

It is not a de Polignac number, because 56620375 - 2¹¹ = 56618327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56620375.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 31480 + ... + 33229.

It is an arithmetic number, because the mean of its divisors is an integer number (5047380).

Almost surely, 2^56620375 is an apocalyptic number.

56620375 is a deficient number, since it is larger than the sum of its proper divisors (24137705).

56620375 is an equidigital number, since it uses as much as digits as its factorization.

56620375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64731 (or 64721 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 56620375 is about 7524.6511547048. The cubic root of 56620375 is about 383.9938308290.

The spelling of 56620375 in words is "fifty-six million, six hundred twenty thousand, three hundred seventy-five".