57981199 has 8 divisors (see below), whose sum is σ = 59161520. Its totient is φ = 56811456.

The previous prime is 57981167. The next prime is 57981211. The reversal of 57981199 is 99118975.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 57981199 - 2⁵ = 57981167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57981799) 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, 8932 + ... + 13990.

It is an arithmetic number, because the mean of its divisors is an integer number (7395190).

Almost surely, 2^57981199 is an apocalyptic number.

57981199 is a deficient number, since it is larger than the sum of its proper divisors (1180321).

57981199 is a wasteful number, since it uses less digits than its factorization.

57981199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5289.

The product of its digits is 204120, while the sum is 49.

The square root of 57981199 is about 7614.5386596957. The cubic root of 57981199 is about 387.0458340532.

The spelling of 57981199 in words is "fifty-seven million, nine hundred eighty-one thousand, one hundred ninety-nine".