56615152 has 40 divisors (see below), whose sum is σ = 120206592. Its totient is φ = 25617600.

The previous prime is 56615131. The next prime is 56615159. The reversal of 56615152 is 25151665.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56615159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47103 + ... + 48289.

Almost surely, 2^56615152 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 56615152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60103296).

56615152 is an abundant number, since it is smaller than the sum of its proper divisors (63591440).

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

56615152 is a wasteful number, since it uses less digits than its factorization.

56615152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477 (or 1471 counting only the distinct ones).

The product of its digits is 9000, while the sum is 31.

The square root of 56615152 is about 7524.3040874223. The cubic root of 56615152 is about 383.9820231746.

The spelling of 56615152 in words is "fifty-six million, six hundred fifteen thousand, one hundred fifty-two".