57989090 has 16 divisors (see below), whose sum is σ = 105339960. Its totient is φ = 22982400.

The previous prime is 57989053. The next prime is 57989093. The reversal of 57989090 is 9098975.

It can be written as a sum of positive squares in 4 ways, for example, as 55457809 + 2531281 = 7447^2 + 1591^2 .

It is not an unprimeable number, because it can be changed into a prime (57989093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25511 + ... + 27690.

Almost surely, 2^57989090 is an apocalyptic number.

57989090 is a deficient number, since it is larger than the sum of its proper divisors (47350870).

57989090 is a wasteful number, since it uses less digits than its factorization.

57989090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53317.

The product of its (nonzero) digits is 204120, while the sum is 47.

The square root of 57989090 is about 7615.0567955860. The cubic root of 57989090 is about 387.0633916993.

The spelling of 57989090 in words is "fifty-seven million, nine hundred eighty-nine thousand, ninety".