57573972 has 36 divisors (see below), whose sum is σ = 145905760. Its totient is φ = 19142352.

The previous prime is 57573949. The next prime is 57573973. The reversal of 57573972 is 27937575.

It is a happy number.

57573972 is a `hidden beast` number, since 5 + 7 + 573 + 9 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57573973) 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, 13983 + ... + 17625.

Almost surely, 2^57573972 is an apocalyptic number.

It is an amenable number.

57573972 is an abundant number, since it is smaller than the sum of its proper divisors (88331788).

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

57573972 is a wasteful number, since it uses less digits than its factorization.

57573972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092 (or 4087 counting only the distinct ones).

The product of its digits is 463050, while the sum is 45.

The square root of 57573972 is about 7587.7514455865. The cubic root of 57573972 is about 386.1375743427.

It can be divided in two parts, 575 and 73972, that added together give a palindrome (74547).

The spelling of 57573972 in words is "fifty-seven million, five hundred seventy-three thousand, nine hundred seventy-two".