56251164 has 24 divisors (see below), whose sum is σ = 138973968. Its totient is φ = 17647360.

The previous prime is 56251159. The next prime is 56251171. The reversal of 56251164 is 46115265.

56251164 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 an unprimeable number.

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, 137667 + ... + 138074.

It is an arithmetic number, because the mean of its divisors is an integer number (5790582).

Almost surely, 2^56251164 is an apocalyptic number.

It is an amenable number.

56251164 is an abundant number, since it is smaller than the sum of its proper divisors (82722804).

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

56251164 is a wasteful number, since it uses less digits than its factorization.

56251164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275765 (or 275763 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 56251164 is about 7500.0775995986. The cubic root of 56251164 is about 383.1573590946.

The spelling of 56251164 in words is "fifty-six million, two hundred fifty-one thousand, one hundred sixty-four".