57122090 has 8 divisors (see below), whose sum is σ = 102819780. Its totient is φ = 22848832.

The previous prime is 57122077. The next prime is 57122101. The reversal of 57122090 is 9022175.

It can be written as a sum of positive squares in 2 ways, for example, as 56987401 + 134689 = 7549^2 + 367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2856095 + ... + 2856114.

Almost surely, 2^57122090 is an apocalyptic number.

57122090 is a deficient number, since it is larger than the sum of its proper divisors (45697690).

57122090 is a wasteful number, since it uses less digits than its factorization.

57122090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712216.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 57122090 is about 7557.9157179741. The cubic root of 57122090 is about 385.1246911570.

The spelling of 57122090 in words is "fifty-seven million, one hundred twenty-two thousand, ninety".