57150026457 has 16 divisors (see below), whose sum is σ = 79550218368. Its totient is φ = 36426473600.

The previous prime is 57150026449. The next prime is 57150026509. The reversal of 57150026457 is 75462005175.

It is a happy number.

57150026457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 57150026457 - 2³ = 57150026449 is a prime.

It is a super-2 number, since 2×57150026457² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (57150026447) 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, 43794 + ... + 340907.

It is an arithmetic number, because the mean of its divisors is an integer number (4971888648).

Almost surely, 2^57150026457 is an apocalyptic number.

It is an amenable number.

57150026457 is a deficient number, since it is larger than the sum of its proper divisors (22400191911).

57150026457 is a wasteful number, since it uses less digits than its factorization.

57150026457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386880.

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 57150026457 in words is "fifty-seven billion, one hundred fifty million, twenty-six thousand, four hundred fifty-seven".