57180897 has 10 divisors (see below), whose sum is σ = 85418498. Its totient is φ = 38120544.

The previous prime is 57180887. The next prime is 57180901. The reversal of 57180897 is 79808175.

It can be written as a sum of positive squares in only one way, i.e., 55935441 + 1245456 = 7479^2 + 1116^2 .

It is not a de Polignac number, because 57180897 - 2⁷ = 57180769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57180857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 352888 + ... + 353049.

Almost surely, 2^57180897 is an apocalyptic number.

It is an amenable number.

57180897 is a deficient number, since it is larger than the sum of its proper divisors (28237601).

57180897 is an equidigital number, since it uses as much as digits as its factorization.

57180897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705949 (or 705940 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The square root of 57180897 is about 7561.8051416312. The cubic root of 57180897 is about 385.2568073555.

The spelling of 57180897 in words is "fifty-seven million, one hundred eighty thousand, eight hundred ninety-seven".