57997457 has 8 divisors (see below), whose sum is σ = 66498432. Its totient is φ = 49550400.

The previous prime is 57997403. The next prime is 57997487. The reversal of 57997457 is 75479975.

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 57997457 - 2⁶ = 57997393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57997399 and 57997408.

It is not an unprimeable number, because it can be changed into a prime (57997487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11144 + ... + 15497.

It is an arithmetic number, because the mean of its divisors is an integer number (8312304).

Almost surely, 2^57997457 is an apocalyptic number.

It is an amenable number.

57997457 is a deficient number, since it is larger than the sum of its proper divisors (8500975).

57997457 is a wasteful number, since it uses less digits than its factorization.

57997457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26959.

The product of its digits is 2778300, while the sum is 53.

The square root of 57997457 is about 7615.6061479044. The cubic root of 57997457 is about 387.0820067161.

The spelling of 57997457 in words is "fifty-seven million, nine hundred ninety-seven thousand, four hundred fifty-seven".