56855644 has 24 divisors (see below), whose sum is σ = 101787840. Its totient is φ = 27777984.

The previous prime is 56855641. The next prime is 56855647. The reversal of 56855644 is 44655865.

56855644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56855641) and next prime (56855647).

It is a self number, because there is not a number n which added to its sum of digits gives 56855644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56855641) 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 7 ways as a sum of consecutive naturals, for example, 78717 + ... + 79435.

It is an arithmetic number, because the mean of its divisors is an integer number (4241160).

Almost surely, 2^56855644 is an apocalyptic number.

It is an amenable number.

56855644 is a deficient number, since it is larger than the sum of its proper divisors (44932196).

56855644 is a wasteful number, since it uses less digits than its factorization.

56855644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149 (or 1147 counting only the distinct ones).

The product of its digits is 576000, while the sum is 43.

The square root of 56855644 is about 7540.2681649925. The cubic root of 56855644 is about 384.5249529628.

The spelling of 56855644 in words is "fifty-six million, eight hundred fifty-five thousand, six hundred forty-four".