57116451 has 32 divisors (see below), whose sum is σ = 92136960. Its totient is φ = 30744576.

The previous prime is 57116431. The next prime is 57116453. The reversal of 57116451 is 15461175.

It is not a de Polignac number, because 57116451 - 2⁶ = 57116387 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (57116453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102265 + ... + 102821.

It is an arithmetic number, because the mean of its divisors is an integer number (2879280).

Almost surely, 2^57116451 is an apocalyptic number.

57116451 is a deficient number, since it is larger than the sum of its proper divisors (35020509).

57116451 is a wasteful number, since it uses less digits than its factorization.

57116451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843.

The product of its digits is 4200, while the sum is 30.

The square root of 57116451 is about 7557.5426561813. The cubic root of 57116451 is about 385.1120177785.

The spelling of 57116451 in words is "fifty-seven million, one hundred sixteen thousand, four hundred fifty-one".