52158508 has 12 divisors (see below), whose sum is σ = 91742112. Its totient is φ = 25946480.

The previous prime is 52158487. The next prime is 52158551. The reversal of 52158508 is 80585125.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32308 + ... + 33883.

It is an arithmetic number, because the mean of its divisors is an integer number (7645176).

Almost surely, 2^52158508 is an apocalyptic number.

It is an amenable number.

52158508 is a deficient number, since it is larger than the sum of its proper divisors (39583604).

52158508 is a wasteful number, since it uses less digits than its factorization.

52158508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66392 (or 66390 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 34.

The square root of 52158508 is about 7222.0847405718. The cubic root of 52158508 is about 373.6299828291.

The spelling of 52158508 in words is "fifty-two million, one hundred fifty-eight thousand, five hundred eight".