57349663 has 4 divisors (see below), whose sum is σ = 65542480. Its totient is φ = 49156848.

The previous prime is 57349651. The next prime is 57349681. The reversal of 57349663 is 36694375.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57349663 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 (57349613) 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, 4096398 + ... + 4096411.

It is an arithmetic number, because the mean of its divisors is an integer number (16385620).

Almost surely, 2^57349663 is an apocalyptic number.

57349663 is a deficient number, since it is larger than the sum of its proper divisors (8192817).

57349663 is an equidigital number, since it uses as much as digits as its factorization.

57349663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8192816.

The product of its digits is 408240, while the sum is 43.

The square root of 57349663 is about 7572.9560278665. The cubic root of 57349663 is about 385.6354558938.

The spelling of 57349663 in words is "fifty-seven million, three hundred forty-nine thousand, six hundred sixty-three".