57036690 has 32 divisors (see below), whose sum is σ = 152098560. Its totient is φ = 15209712.

The previous prime is 57036677. The next prime is 57036697. The reversal of 57036690 is 9663075.

It is a happy number.

It is a super-2 number, since 2×57036690² = 6506368012312200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57036697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105354 + ... + 105893.

It is an arithmetic number, because the mean of its divisors is an integer number (4753080).

Almost surely, 2^57036690 is an apocalyptic number.

57036690 is an abundant number, since it is smaller than the sum of its proper divisors (95061870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57036690 is a wasteful number, since it uses less digits than its factorization.

57036690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211263 (or 211257 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 57036690 is about 7552.2638989908. The cubic root of 57036690 is about 384.9326693972.

The spelling of 57036690 in words is "fifty-seven million, thirty-six thousand, six hundred ninety".