52791931 has 2 divisors, whose sum is σ = 52791932. Its totient is φ = 52791930.

The previous prime is 52791911. The next prime is 52791941. The reversal of 52791931 is 13919725.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52791931 - 2¹⁵ = 52759163 is a prime.

It is a super-2 number, since 2×52791931² = 5573975957417522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52791911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26395965 + 26395966.

It is an arithmetic number, because the mean of its divisors is an integer number (26395966).

Almost surely, 2^52791931 is an apocalyptic number.

52791931 is a deficient number, since it is larger than the sum of its proper divisors (1).

52791931 is an equidigital number, since it uses as much as digits as its factorization.

52791931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 37.

The square root of 52791931 is about 7265.8055988307. The cubic root of 52791931 is about 375.1363794328.

The spelling of 52791931 in words is "fifty-two million, seven hundred ninety-one thousand, nine hundred thirty-one".