57021667125631 has 16 divisors (see below), whose sum is σ = 61422329374560. Its totient is φ = 52623060658560.

The previous prime is 57021667125557. The next prime is 57021667125719. The reversal of 57021667125631 is 13652176612075.

It is a cyclic number.

It is not a de Polignac number, because 57021667125631 - 2⁹ = 57021667125119 is a prime.

It is a super-2 number, since 2×57021667125631² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57021667120631) 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, 1559527356 + ... + 1559563918.

It is an arithmetic number, because the mean of its divisors is an integer number (3838895585910).

Almost surely, 2^{57021667125631} is an apocalyptic number.

57021667125631 is a deficient number, since it is larger than the sum of its proper divisors (4400662248929).

57021667125631 is a wasteful number, since it uses less digits than its factorization.

57021667125631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61386.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 57021667125631 in words is "fifty-seven trillion, twenty-one billion, six hundred sixty-seven million, one hundred twenty-five thousand, six hundred thirty-one".