52525656 has 96 divisors (see below), whose sum is σ = 148936320. Its totient is φ = 16704000.

The previous prime is 52525621. The next prime is 52525667. The reversal of 52525656 is 65652525.

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

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

It is a self number, because there is not a number n which added to its sum of digits gives 52525656.

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, 225316 + ... + 225548.

It is an arithmetic number, because the mean of its divisors is an integer number (1551420).

Almost surely, 2^52525656 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 52525656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74468160).

52525656 is an abundant number, since it is smaller than the sum of its proper divisors (96410664).

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

52525656 is a wasteful number, since it uses less digits than its factorization.

52525656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 370 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 52525656 is about 7247.4585890504. The cubic root of 52525656 is about 374.5046045103.

The spelling of 52525656 in words is "fifty-two million, five hundred twenty-five thousand, six hundred fifty-six".