57573144 has 48 divisors (see below), whose sum is σ = 158581800. Its totient is φ = 18864384.

The previous prime is 57573079. The next prime is 57573151. The reversal of 57573144 is 44137575.

It is a happy number.

57573144 is a `hidden beast` number, since 575 + 73 + 14 + 4 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 57573099 and 57573108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2529 + ... + 11024.

Almost surely, 2^57573144 is an apocalyptic number.

It is an amenable number.

57573144 is an abundant number, since it is smaller than the sum of its proper divisors (101008656).

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

57573144 is a wasteful number, since it uses less digits than its factorization.

57573144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13624 (or 13617 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 57573144 is about 7587.6968837718. The cubic root of 57573144 is about 386.1357232548.

The spelling of 57573144 in words is "fifty-seven million, five hundred seventy-three thousand, one hundred forty-four".