57251071903 has 2 divisors, whose sum is σ = 57251071904. Its totient is φ = 57251071902.

The previous prime is 57251071841. The next prime is 57251071967. The reversal of 57251071903 is 30917015275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57251071903 - 2²⁵ = 57217517471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57251071303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28625535951 + 28625535952.

It is an arithmetic number, because the mean of its divisors is an integer number (28625535952).

Almost surely, 2^57251071903 is an apocalyptic number.

57251071903 is a deficient number, since it is larger than the sum of its proper divisors (1).

57251071903 is an equidigital number, since it uses as much as digits as its factorization.

57251071903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 66150, while the sum is 40.

The spelling of 57251071903 in words is "fifty-seven billion, two hundred fifty-one million, seventy-one thousand, nine hundred three".