57115663 has 8 divisors (see below), whose sum is σ = 62914176. Its totient is φ = 51418200.

The previous prime is 57115649. The next prime is 57115741. The reversal of 57115663 is 36651175.

57115663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 57115663 - 2⁹ = 57115151 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 (57115063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24073 + ... + 26338.

It is an arithmetic number, because the mean of its divisors is an integer number (7864272).

Almost surely, 2^57115663 is an apocalyptic number.

57115663 is a deficient number, since it is larger than the sum of its proper divisors (5798513).

57115663 is a wasteful number, since it uses less digits than its factorization.

57115663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50525.

The product of its digits is 18900, while the sum is 34.

The square root of 57115663 is about 7557.4905226537. The cubic root of 57115663 is about 385.1102467204.

The spelling of 57115663 in words is "fifty-seven million, one hundred fifteen thousand, six hundred sixty-three".