57544878 has 16 divisors (see below), whose sum is σ = 116667216. Its totient is φ = 18918720.

The previous prime is 57544867. The next prime is 57544913. The reversal of 57544878 is 87844575.

57544878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57544878² = 6622825968069768, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65253 + ... + 66128.

It is an arithmetic number, because the mean of its divisors is an integer number (7291701).

Almost surely, 2^57544878 is an apocalyptic number.

57544878 is an abundant number, since it is smaller than the sum of its proper divisors (59122338).

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

57544878 is a wasteful number, since it uses less digits than its factorization.

57544878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131459.

The product of its digits is 1254400, while the sum is 48.

The square root of 57544878 is about 7585.8340345673. The cubic root of 57544878 is about 386.0725207598.

The spelling of 57544878 in words is "fifty-seven million, five hundred forty-four thousand, eight hundred seventy-eight".