56621260 has 24 divisors (see below), whose sum is σ = 119112336. Its totient is φ = 22608960.

The previous prime is 56621207. The next prime is 56621281. The reversal of 56621260 is 6212665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11079 + ... + 15361.

It is an arithmetic number, because the mean of its divisors is an integer number (4963014).

Almost surely, 2^56621260 is an apocalyptic number.

It is an amenable number.

56621260 is an abundant number, since it is smaller than the sum of its proper divisors (62491076).

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

56621260 is a wasteful number, since it uses less digits than its factorization.

56621260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953 (or 4951 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 56621260 is about 7524.7099611879. The cubic root of 56621260 is about 383.9958314796.

The spelling of 56621260 in words is "fifty-six million, six hundred twenty-one thousand, two hundred sixty".