52907857 has 2 divisors, whose sum is σ = 52907858. Its totient is φ = 52907856.

The previous prime is 52907773. The next prime is 52907867. The reversal of 52907857 is 75870925.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27867841 + 25040016 = 5279^2 + 5004^2 .

It is a cyclic number.

It is not a de Polignac number, because 52907857 - 2¹⁵ = 52875089 is a prime.

It is not a weakly prime, because it can be changed into another prime (52907867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26453928 + 26453929.

It is an arithmetic number, because the mean of its divisors is an integer number (26453929).

Almost surely, 2^52907857 is an apocalyptic number.

It is an amenable number.

52907857 is a deficient number, since it is larger than the sum of its proper divisors (1).

52907857 is an equidigital number, since it uses as much as digits as its factorization.

52907857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 52907857 is about 7273.7787291064. The cubic root of 52907857 is about 375.4107664840.

The spelling of 52907857 in words is "fifty-two million, nine hundred seven thousand, eight hundred fifty-seven".