57455231112 has 48 divisors (see below), whose sum is σ = 160627534080. Its totient is φ = 18533944800.

The previous prime is 57455231111. The next prime is 57455231161. The reversal of 57455231112 is 21113255475.

57455231112 is a `hidden beast` number, since 5 + 74 + 552 + 31 + 1 + 1 + 2 = 666.

It is a super-2 number, since 2×57455231112² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (57455231111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12868564 + ... + 12873027.

It is an arithmetic number, because the mean of its divisors is an integer number (3346406960).

Almost surely, 2^57455231112 is an apocalyptic number.

It is an amenable number.

57455231112 is an abundant number, since it is smaller than the sum of its proper divisors (103172302968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57455231112 is a wasteful number, since it uses less digits than its factorization.

57455231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25741634 (or 25741627 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

Adding to 57455231112 its reverse (21113255475), we get a palindrome (78568486587).

The spelling of 57455231112 in words is "fifty-seven billion, four hundred fifty-five million, two hundred thirty-one thousand, one hundred twelve".