57037231021 has 8 divisors (see below), whose sum is σ = 57397783680. Its totient is φ = 56677033392.

The previous prime is 57037231003. The next prime is 57037231033. The reversal of 57037231021 is 12013273075.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57037231021 - 2⁵ = 57037230989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57037231091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237336 + ... + 412798.

It is an arithmetic number, because the mean of its divisors is an integer number (7174722960).

Almost surely, 2^57037231021 is an apocalyptic number.

It is an amenable number.

57037231021 is a deficient number, since it is larger than the sum of its proper divisors (360552659).

57037231021 is a wasteful number, since it uses less digits than its factorization.

57037231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177515.

The product of its (nonzero) digits is 8820, while the sum is 31.

The spelling of 57037231021 in words is "fifty-seven billion, thirty-seven million, two hundred thirty-one thousand, twenty-one".