52507056 has 120 divisors (see below), whose sum is σ = 162307072. Its totient is φ = 14313600.

The previous prime is 52507043. The next prime is 52507073. The reversal of 52507056 is 65070525.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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, 739501 + ... + 739571.

Almost surely, 2^52507056 is an apocalyptic number.

52507056 is a gapful number since it is divisible by the number (56) 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 52507056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81153536).

52507056 is an abundant number, since it is smaller than the sum of its proper divisors (109800016).

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

52507056 is a wasteful number, since it uses less digits than its factorization.

52507056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 52507056 is about 7246.1752669943. The cubic root of 52507056 is about 374.4603936836.

The spelling of 52507056 in words is "fifty-two million, five hundred seven thousand, fifty-six".