52521508 has 24 divisors (see below), whose sum is σ = 99203832. Its totient is φ = 24186624.

The previous prime is 52521493. The next prime is 52521509. The reversal of 52521508 is 80512525.

It can be written as a sum of positive squares in 4 ways, for example, as 8538084 + 43983424 = 2922^2 + 6632^2 .

It is not an unprimeable number, because it can be changed into a prime (52521509) 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, 31266 + ... + 32902.

It is an arithmetic number, because the mean of its divisors is an integer number (4133493).

Almost surely, 2^52521508 is an apocalyptic number.

It is an amenable number.

52521508 is a deficient number, since it is larger than the sum of its proper divisors (46682324).

52521508 is a wasteful number, since it uses less digits than its factorization.

52521508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 52521508 is about 7247.1724141212. The cubic root of 52521508 is about 374.4947459250.

The spelling of 52521508 in words is "fifty-two million, five hundred twenty-one thousand, five hundred eight".