52118939 has 2 divisors, whose sum is σ = 52118940. Its totient is φ = 52118938.

The previous prime is 52118933. The next prime is 52118947. The reversal of 52118939 is 93981125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52118939 - 2⁸ = 52118683 is a prime.

It is not a weakly prime, because it can be changed into another prime (52118933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26059469 + 26059470.

It is an arithmetic number, because the mean of its divisors is an integer number (26059470).

Almost surely, 2^52118939 is an apocalyptic number.

52118939 is a deficient number, since it is larger than the sum of its proper divisors (1).

52118939 is an equidigital number, since it uses as much as digits as its factorization.

52118939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 38.

The square root of 52118939 is about 7219.3447763630. The cubic root of 52118939 is about 373.5354766433.

The spelling of 52118939 in words is "fifty-two million, one hundred eighteen thousand, nine hundred thirty-nine".