57199663 has 4 divisors (see below), whose sum is σ = 57437248. Its totient is φ = 56962080.

The previous prime is 57199627. The next prime is 57199673. The reversal of 57199663 is 36699175.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57199663 - 2²¹ = 55102511 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 (57199673) 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, 118431 + ... + 118912.

It is an arithmetic number, because the mean of its divisors is an integer number (14359312).

Almost surely, 2^57199663 is an apocalyptic number.

57199663 is a deficient number, since it is larger than the sum of its proper divisors (237585).

57199663 is a wasteful number, since it uses less digits than its factorization.

57199663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237584.

The product of its digits is 306180, while the sum is 46.

The square root of 57199663 is about 7563.0458811249. The cubic root of 57199663 is about 385.2989481103.

The spelling of 57199663 in words is "fifty-seven million, one hundred ninety-nine thousand, six hundred sixty-three".