57144976 has 30 divisors (see below), whose sum is σ = 128796630. Its totient is φ = 24490368.

The previous prime is 57144961. The next prime is 57144977. The reversal of 57144976 is 67944175.

It can be written as a sum of positive squares in only one way, i.e., 55890576 + 1254400 = 7476^2 + 1120^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (57144977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35661 + ... + 37228.

It is an arithmetic number, because the mean of its divisors is an integer number (4293221).

Almost surely, 2^57144976 is an apocalyptic number.

57144976 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

57144976 is an abundant number, since it is smaller than the sum of its proper divisors (71651654).

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

57144976 is a wasteful number, since it uses less digits than its factorization.

57144976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72911 (or 72898 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 57144976 is about 7559.4296081120. The cubic root of 57144976 is about 385.1761177700.

The spelling of 57144976 in words is "fifty-seven million, one hundred forty-four thousand, nine hundred seventy-six".