52120920 has 64 divisors (see below), whose sum is σ = 161418240. Its totient is φ = 13449600.

The previous prime is 52120919. The next prime is 52120993. The reversal of 52120920 is 2902125.

52120920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3286 + ... + 10725.

It is an arithmetic number, because the mean of its divisors is an integer number (2522160).

Almost surely, 2^52120920 is an apocalyptic number.

It is an amenable number.

52120920 is an abundant number, since it is smaller than the sum of its proper divisors (109297320).

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

52120920 is a wasteful number, since it uses less digits than its factorization.

52120920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14056 (or 14052 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 52120920 is about 7219.4819758761. The cubic root of 52120920 is about 373.5402091802.

The spelling of 52120920 in words is "fifty-two million, one hundred twenty thousand, nine hundred twenty".