56620550 has 24 divisors (see below), whose sum is σ = 120359856. Its totient is φ = 19412640.

The previous prime is 56620541. The next prime is 56620573. The reversal of 56620550 is 5502665.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80537 + ... + 81236.

It is an arithmetic number, because the mean of its divisors is an integer number (5014994).

Almost surely, 2^56620550 is an apocalyptic number.

56620550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56620550 is an abundant number, since it is smaller than the sum of its proper divisors (63739306).

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

56620550 is a wasteful number, since it uses less digits than its factorization.

56620550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161792 (or 161787 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 56620550 is about 7524.6627831418. The cubic root of 56620550 is about 383.9942264395.

The spelling of 56620550 in words is "fifty-six million, six hundred twenty thousand, five hundred fifty".