57507253 has 2 divisors, whose sum is σ = 57507254. Its totient is φ = 57507252.

The previous prime is 57507227. The next prime is 57507259. The reversal of 57507253 is 35270575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52157284 + 5349969 = 7222^2 + 2313^2 .

It is a cyclic number.

It is not a de Polignac number, because 57507253 - 2⁵ = 57507221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57507259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28753626 + 28753627.

It is an arithmetic number, because the mean of its divisors is an integer number (28753627).

Almost surely, 2^57507253 is an apocalyptic number.

It is an amenable number.

57507253 is a deficient number, since it is larger than the sum of its proper divisors (1).

57507253 is an equidigital number, since it uses as much as digits as its factorization.

57507253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36750, while the sum is 34.

The square root of 57507253 is about 7583.3536776284. The cubic root of 57507253 is about 385.9883595154.

The spelling of 57507253 in words is "fifty-seven million, five hundred seven thousand, two hundred fifty-three".