57548263172 has 12 divisors (see below), whose sum is σ = 104182200780. Its totient is φ = 27781920096.

The previous prime is 57548263159. The next prime is 57548263187. The reversal of 57548263172 is 27136284575.

It can be written as a sum of positive squares in 2 ways, for example, as 14124371716 + 43423891456 = 118846^2 + 208384^2 .

It is a super-2 number, since 2×57548263172² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57548263172.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248052743 + ... + 248052974.

It is an arithmetic number, because the mean of its divisors is an integer number (8681850065).

Almost surely, 2^57548263172 is an apocalyptic number.

It is an amenable number.

57548263172 is a deficient number, since it is larger than the sum of its proper divisors (46633937608).

57548263172 is a wasteful number, since it uses less digits than its factorization.

57548263172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496105750 (or 496105748 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 50.

The spelling of 57548263172 in words is "fifty-seven billion, five hundred forty-eight million, two hundred sixty-three thousand, one hundred seventy-two".