57494663 has 4 divisors (see below), whose sum is σ = 60876720. Its totient is φ = 54112608.

The previous prime is 57494659. The next prime is 57494683. The reversal of 57494663 is 36649475.

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 57494663 - 2² = 57494659 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 (57494683) 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, 1691003 + ... + 1691036.

It is an arithmetic number, because the mean of its divisors is an integer number (15219180).

Almost surely, 2^57494663 is an apocalyptic number.

57494663 is a deficient number, since it is larger than the sum of its proper divisors (3382057).

57494663 is a wasteful number, since it uses less digits than its factorization.

57494663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382056.

The product of its digits is 544320, while the sum is 44.

The square root of 57494663 is about 7582.5235245266. The cubic root of 57494663 is about 385.9601894565.

The spelling of 57494663 in words is "fifty-seven million, four hundred ninety-four thousand, six hundred sixty-three".