52881931 has 4 divisors (see below), whose sum is σ = 53476200. Its totient is φ = 52287664.

The previous prime is 52881929. The next prime is 52881943. The reversal of 52881931 is 13918825.

52881931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52881931 - 2¹ = 52881929 is a prime.

It is a super-2 number, since 2×52881931² = 5592997252577522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52881901) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 297001 + ... + 297178.

It is an arithmetic number, because the mean of its divisors is an integer number (13369050).

Almost surely, 2^52881931 is an apocalyptic number.

52881931 is a deficient number, since it is larger than the sum of its proper divisors (594269).

52881931 is an equidigital number, since it uses as much as digits as its factorization.

52881931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594268.

The product of its digits is 17280, while the sum is 37.

The square root of 52881931 is about 7271.9963558847. The cubic root of 52881931 is about 375.3494366533.

The spelling of 52881931 in words is "fifty-two million, eight hundred eighty-one thousand, nine hundred thirty-one".