57426322057 has 16 divisors (see below), whose sum is σ = 65108957760. Its totient is φ = 50211029952.

The previous prime is 57426322013. The next prime is 57426322061. The reversal of 57426322057 is 75022362475.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57426322057 is a prime.

It is a super-2 number, since 2×57426322057² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57426322097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1990578 + ... + 2019220.

It is an arithmetic number, because the mean of its divisors is an integer number (4069309860).

Almost surely, 2^57426322057 is an apocalyptic number.

It is an amenable number.

57426322057 is a deficient number, since it is larger than the sum of its proper divisors (7682635703).

57426322057 is a wasteful number, since it uses less digits than its factorization.

57426322057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36792.

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 57426322057 in words is "fifty-seven billion, four hundred twenty-six million, three hundred twenty-two thousand, fifty-seven".