56635524 has 72 divisors (see below), whose sum is σ = 161991648. Its totient is φ = 17159040.

The previous prime is 56635519. The next prime is 56635531. The reversal of 56635524 is 42553665.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8044 + ... + 13340.

It is an arithmetic number, because the mean of its divisors is an integer number (2249884).

Almost surely, 2^56635524 is an apocalyptic number.

56635524 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56635524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80995824).

56635524 is an abundant number, since it is smaller than the sum of its proper divisors (105356124).

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

56635524 is a wasteful number, since it uses less digits than its factorization.

56635524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5327 (or 5313 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 56635524 is about 7525.6577121206. The cubic root of 56635524 is about 384.0280741193.

The spelling of 56635524 in words is "fifty-six million, six hundred thirty-five thousand, five hundred twenty-four".