52239858 has 32 divisors (see below), whose sum is σ = 114633792. Its totient is φ = 15739200.

The previous prime is 52239791. The next prime is 52239899. The reversal of 52239858 is 85893225.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9760 + ... + 14132.

It is an arithmetic number, because the mean of its divisors is an integer number (3582306).

Almost surely, 2^52239858 is an apocalyptic number.

52239858 is an abundant number, since it is smaller than the sum of its proper divisors (62393934).

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

52239858 is a wasteful number, since it uses less digits than its factorization.

52239858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4570.

The product of its digits is 172800, while the sum is 42.

The square root of 52239858 is about 7227.7145765449. The cubic root of 52239858 is about 373.8241282779.

The spelling of 52239858 in words is "fifty-two million, two hundred thirty-nine thousand, eight hundred fifty-eight".