56615052 has 96 divisors (see below), whose sum is σ = 153538560. Its totient is φ = 16093440.

The previous prime is 56615033. The next prime is 56615057. The reversal of 56615052 is 25051665.

It is a super-2 number, since 2×56615052² = 6410528225925408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56615057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110974 + ... + 111482.

It is an arithmetic number, because the mean of its divisors is an integer number (1599360).

Almost surely, 2^56615052 is an apocalyptic number.

56615052 is a gapful number since it is divisible by the number (52) 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 56615052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76769280).

56615052 is an abundant number, since it is smaller than the sum of its proper divisors (96923508).

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

56615052 is a wasteful number, since it uses less digits than its factorization.

56615052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 56615052 is about 7524.2974422866. The cubic root of 56615052 is about 383.9817970972.

The spelling of 56615052 in words is "fifty-six million, six hundred fifteen thousand, fifty-two".