57663497 has 4 divisors (see below), whose sum is σ = 57679056. Its totient is φ = 57647940.

The previous prime is 57663479. The next prime is 57663509. The reversal of 57663497 is 79436675.

It is a happy number.

57663497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57663497 - 2⁶ = 57663433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57663467) 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 3 ways as a sum of consecutive naturals, for example, 1358 + ... + 10824.

It is an arithmetic number, because the mean of its divisors is an integer number (14419764).

Almost surely, 2^57663497 is an apocalyptic number.

It is an amenable number.

57663497 is a deficient number, since it is larger than the sum of its proper divisors (15559).

57663497 is an equidigital number, since it uses as much as digits as its factorization.

57663497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15558.

The product of its digits is 952560, while the sum is 47.

The square root of 57663497 is about 7593.6484643418. The cubic root of 57663497 is about 386.3376130225.

The spelling of 57663497 in words is "fifty-seven million, six hundred sixty-three thousand, four hundred ninety-seven".