56551724 has 12 divisors (see below), whose sum is σ = 104787144. Its totient is φ = 26612544.

The previous prime is 56551723. The next prime is 56551739. The reversal of 56551724 is 42715565.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (56551721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415754 + ... + 415889.

It is an arithmetic number, because the mean of its divisors is an integer number (8732262).

Almost surely, 2^56551724 is an apocalyptic number.

It is an amenable number.

56551724 is a deficient number, since it is larger than the sum of its proper divisors (48235420).

56551724 is a wasteful number, since it uses less digits than its factorization.

56551724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831664 (or 831662 counting only the distinct ones).

The product of its digits is 42000, while the sum is 35.

The square root of 56551724 is about 7520.0880313996. The cubic root of 56551724 is about 383.8385732800.

It can be divided in two parts, 56551 and 724, that added together give a palindrome (57275).

The spelling of 56551724 in words is "fifty-six million, five hundred fifty-one thousand, seven hundred twenty-four".