52523136 has 96 divisors (see below), whose sum is σ = 152755200. Its totient is φ = 17321472.

The previous prime is 52523129. The next prime is 52523137. The reversal of 52523136 is 63132525.

52523136 is a `hidden beast` number, since 5 + 2 + 523 + 136 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (52523137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146125 + ... + 146483.

It is an arithmetic number, because the mean of its divisors is an integer number (1591200).

Almost surely, 2^52523136 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 52523136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76377600).

52523136 is an abundant number, since it is smaller than the sum of its proper divisors (100232064).

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

52523136 is a wasteful number, since it uses less digits than its factorization.

52523136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 491 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 52523136 is about 7247.2847329189. The cubic root of 52523136 is about 374.4986152677.

The spelling of 52523136 in words is "fifty-two million, five hundred twenty-three thousand, one hundred thirty-six".