57354511831 has 4 divisors (see below), whose sum is σ = 57792332664. Its totient is φ = 56916691000.

The previous prime is 57354511829. The next prime is 57354511849. The reversal of 57354511831 is 13811545375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57354511831 - 2¹ = 57354511829 is a prime.

It is a super-2 number, since 2×57354511831² (a number of 22 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 (57354511811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218910220 + ... + 218910481.

It is an arithmetic number, because the mean of its divisors is an integer number (14448083166).

Almost surely, 2^57354511831 is an apocalyptic number.

57354511831 is a deficient number, since it is larger than the sum of its proper divisors (437820833).

57354511831 is a wasteful number, since it uses less digits than its factorization.

57354511831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437820832.

The product of its digits is 252000, while the sum is 43.

The spelling of 57354511831 in words is "fifty-seven billion, three hundred fifty-four million, five hundred eleven thousand, eight hundred thirty-one".