57236990 has 16 divisors (see below), whose sum is σ = 103973760. Its totient is φ = 22684320.

The previous prime is 57236983. The next prime is 57237017. The reversal of 57236990 is 9963275.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25166 + ... + 27345.

It is an arithmetic number, because the mean of its divisors is an integer number (6498360).

Almost surely, 2^57236990 is an apocalyptic number.

57236990 is a deficient number, since it is larger than the sum of its proper divisors (46736770).

57236990 is a wasteful number, since it uses less digits than its factorization.

57236990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52627.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 57236990 is about 7565.5132013631. The cubic root of 57236990 is about 385.3827418821.

The spelling of 57236990 in words is "fifty-seven million, two hundred thirty-six thousand, nine hundred ninety".