57031660705 has 16 divisors (see below), whose sum is σ = 69777948240. Its totient is φ = 44740657152.

The previous prime is 57031660691. The next prime is 57031660747. The reversal of 57031660705 is 50706613075.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 433347489 + 56598313216 = 20817^2 + 237904^2 .

It is a cyclic number.

It is not a de Polignac number, because 57031660705 - 2⁷ = 57031660577 is a prime.

It is a super-2 number, since 2×57031660705² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486544 + ... + 592273.

It is an arithmetic number, because the mean of its divisors is an integer number (4361121765).

Almost surely, 2^57031660705 is an apocalyptic number.

It is an amenable number.

57031660705 is a deficient number, since it is larger than the sum of its proper divisors (12746287535).

57031660705 is a wasteful number, since it uses less digits than its factorization.

57031660705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079028.

The product of its (nonzero) digits is 132300, while the sum is 40.

The spelling of 57031660705 in words is "fifty-seven billion, thirty-one million, six hundred sixty thousand, seven hundred five".