57148497 has 32 divisors (see below), whose sum is σ = 97980160. Its totient is φ = 32647536.

The previous prime is 57148493. The next prime is 57148499. The reversal of 57148497 is 79484175.

It is a happy number.

It is not a de Polignac number, because 57148497 - 2² = 57148493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57148493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13443 + ... + 17175.

It is an arithmetic number, because the mean of its divisors is an integer number (3061880).

Almost surely, 2^57148497 is an apocalyptic number.

It is an amenable number.

57148497 is a deficient number, since it is larger than the sum of its proper divisors (40831663).

57148497 is an frugal number, since it uses more digits than its factorization.

57148497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761 (or 3743 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 57148497 is about 7559.6624924662. The cubic root of 57148497 is about 385.1840285106.

The spelling of 57148497 in words is "fifty-seven million, one hundred forty-eight thousand, four hundred ninety-seven".