57091180672 has 16 divisors (see below), whose sum is σ = 113736336750. Its totient is φ = 28545590272.

The previous prime is 57091180633. The next prime is 57091180673. The reversal of 57091180672 is 27608119075.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41430159936 + 15661020736 = 203544^2 + 125144^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (57091180673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223012297 + ... + 223012552.

Almost surely, 2^57091180672 is an apocalyptic number.

It is an amenable number.

57091180672 is a deficient number, since it is larger than the sum of its proper divisors (56645156078).

57091180672 is an equidigital number, since it uses as much as digits as its factorization.

57091180672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446024863 (or 446024851 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 57091180672 in words is "fifty-seven billion, ninety-one million, one hundred eighty thousand, six hundred seventy-two".