56475224 has 48 divisors (see below), whose sum is σ = 121203600. Its totient is φ = 24519168.

The previous prime is 56475193. The next prime is 56475233. The reversal of 56475224 is 42257465.

It is a Cunningham number, because it is equal to 7515²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29117 + ... + 30995.

It is an arithmetic number, because the mean of its divisors is an integer number (2525075).

Almost surely, 2^56475224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56475224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60601800).

56475224 is an abundant number, since it is smaller than the sum of its proper divisors (64728376).

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

56475224 is a wasteful number, since it uses less digits than its factorization.

56475224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932 (or 1911 counting only the distinct ones).

The product of its digits is 67200, while the sum is 35.

The square root of 56475224 is about 7514.9999334664. Note that the first 4 decimals coincide. The cubic root of 56475224 is about 383.6654167474.

The spelling of 56475224 in words is "fifty-six million, four hundred seventy-five thousand, two hundred twenty-four".