57663799 has 4 divisors (see below), whose sum is σ = 57692736. Its totient is φ = 57634864.

The previous prime is 57663791. The next prime is 57663821. The reversal of 57663799 is 99736675.

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 57663799 - 2³ = 57663791 is a prime.

It is a super-2 number, since 2×57663799² = 6650227430224802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57663791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11239 + ... + 15544.

It is an arithmetic number, because the mean of its divisors is an integer number (14423184).

Almost surely, 2^57663799 is an apocalyptic number.

57663799 is a deficient number, since it is larger than the sum of its proper divisors (28937).

57663799 is a wasteful number, since it uses less digits than its factorization.

57663799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28936.

The product of its digits is 2143260, while the sum is 52.

The square root of 57663799 is about 7593.6683493553. The cubic root of 57663799 is about 386.3382874744.

The spelling of 57663799 in words is "fifty-seven million, six hundred sixty-three thousand, seven hundred ninety-nine".