57457438737 has 8 divisors (see below), whose sum is σ = 80642019360. Its totient is φ = 36288908640.

The previous prime is 57457438723. The next prime is 57457438741. The reversal of 57457438737 is 73783475475.

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

It is not a de Polignac number, because 57457438737 - 2⁴ = 57457438721 is a prime.

It is a super-2 number, since 2×57457438737² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57457438757) 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, 504012564 + ... + 504012677.

It is an arithmetic number, because the mean of its divisors is an integer number (10080252420).

Almost surely, 2^57457438737 is an apocalyptic number.

57457438737 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

57457438737 is a deficient number, since it is larger than the sum of its proper divisors (23184580623).

57457438737 is a wasteful number, since it uses less digits than its factorization.

57457438737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008025263.

The product of its digits is 69148800, while the sum is 60.

The spelling of 57457438737 in words is "fifty-seven billion, four hundred fifty-seven million, four hundred thirty-eight thousand, seven hundred thirty-seven".