57982690 has 8 divisors (see below), whose sum is σ = 104368860. Its totient is φ = 23193072.

The previous prime is 57982669. The next prime is 57982693. The reversal of 57982690 is 9628975.

It can be written as a sum of positive squares in 2 ways, for example, as 48066489 + 9916201 = 6933^2 + 3149^2 .

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

It is a super-2 number, since 2×57982690² = 6723984679272200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57982690.

It is not an unprimeable number, because it can be changed into a prime (57982693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2899125 + ... + 2899144.

Almost surely, 2^57982690 is an apocalyptic number.

57982690 is a deficient number, since it is larger than the sum of its proper divisors (46386170).

57982690 is a wasteful number, since it uses less digits than its factorization.

57982690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798276.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 57982690 is about 7614.6365638814. The cubic root of 57982690 is about 387.0491516826.

The spelling of 57982690 in words is "fifty-seven million, nine hundred eighty-two thousand, six hundred ninety".