57461388731 has 2 divisors, whose sum is σ = 57461388732. Its totient is φ = 57461388730.

The previous prime is 57461388671. The next prime is 57461388757. The reversal of 57461388731 is 13788316475.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57461388731 - 2²⁶ = 57394279867 is a prime.

It is a super-2 number, since 2×57461388731² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57461388431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28730694365 + 28730694366.

It is an arithmetic number, because the mean of its divisors is an integer number (28730694366).

Almost surely, 2^57461388731 is an apocalyptic number.

57461388731 is a deficient number, since it is larger than the sum of its proper divisors (1).

57461388731 is an equidigital number, since it uses as much as digits as its factorization.

57461388731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 53.

The spelling of 57461388731 in words is "fifty-seven billion, four hundred sixty-one million, three hundred eighty-eight thousand, seven hundred thirty-one".