57772090 has 48 divisors (see below), whose sum is σ = 111007008. Its totient is φ = 21640608.

The previous prime is 57772081. The next prime is 57772097. The reversal of 57772090 is 9027775.

57772090 = 651² + 652² + ... + 765².

It is a super-2 number, since 2×57772090² = 6675228765936200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57772097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354349 + ... + 354511.

It is an arithmetic number, because the mean of its divisors is an integer number (2312646).

Almost surely, 2^57772090 is an apocalyptic number.

57772090 is a deficient number, since it is larger than the sum of its proper divisors (53234918).

57772090 is a wasteful number, since it uses less digits than its factorization.

57772090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 37.

The square root of 57772090 is about 7600.7953531193. The cubic root of 57772090 is about 386.5799804022.

The spelling of 57772090 in words is "fifty-seven million, seven hundred seventy-two thousand, ninety".