56551924 has 24 divisors (see below), whose sum is σ = 116268768. Its totient is φ = 23727840.

The previous prime is 56551921. The next prime is 56551927. The reversal of 56551924 is 42915565.

It is an interprime number because it is at equal distance from previous prime (56551921) and next prime (56551927).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56551921) by changing a digit.

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, 48862 + ... + 50005.

It is an arithmetic number, because the mean of its divisors is an integer number (4844532).

Almost surely, 2^56551924 is an apocalyptic number.

It is an amenable number.

56551924 is an abundant number, since it is smaller than the sum of its proper divisors (59716844).

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

56551924 is a wasteful number, since it uses less digits than its factorization.

56551924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98895 (or 98893 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The square root of 56551924 is about 7520.1013291045. The cubic root of 56551924 is about 383.8390257721.

It can be divided in two parts, 56551 and 924, that added together give a palindrome (57475).

The spelling of 56551924 in words is "fifty-six million, five hundred fifty-one thousand, nine hundred twenty-four".