57497651 has 4 divisors (see below), whose sum is σ = 57755712. Its totient is φ = 57239592.

The previous prime is 57497641. The next prime is 57497659. The reversal of 57497651 is 15679475.

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-57497651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57497659) 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, 128696 + ... + 129141.

It is an arithmetic number, because the mean of its divisors is an integer number (14438928).

Almost surely, 2^57497651 is an apocalyptic number.

57497651 is a deficient number, since it is larger than the sum of its proper divisors (258061).

57497651 is a wasteful number, since it uses less digits than its factorization.

57497651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258060.

The product of its digits is 264600, while the sum is 44.

The square root of 57497651 is about 7582.7205539964. The cubic root of 57497651 is about 385.9668754630.

The spelling of 57497651 in words is "fifty-seven million, four hundred ninety-seven thousand, six hundred fifty-one".