56205916 has 36 divisors (see below), whose sum is σ = 108741976. Its totient is φ = 25269120.

The previous prime is 56205913. The next prime is 56205991. The reversal of 56205916 is 61950265.

It is a happy number.

56205916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56205911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87091 + ... + 87733.

Almost surely, 2^56205916 is an apocalyptic number.

It is an amenable number.

56205916 is a deficient number, since it is larger than the sum of its proper divisors (52536060).

56205916 is a wasteful number, since it uses less digits than its factorization.

56205916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 699 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 56205916 is about 7497.0604906190. The cubic root of 56205916 is about 383.0545952664.

It can be divided in two parts, 56205 and 916, that added together give a square (57121 = 239²).

The spelling of 56205916 in words is "fifty-six million, two hundred five thousand, nine hundred sixteen".