57148479 has 12 divisors (see below), whose sum is σ = 82815616. Its totient is φ = 37975392.

The previous prime is 57148477. The next prime is 57148493. The reversal of 57148479 is 97484175.

It is a happy number.

57148479 is a `hidden beast` number, since 571 + 4 + 8 + 4 + 79 = 666.

It is not a de Polignac number, because 57148479 - 2¹ = 57148477 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 (57148477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7327 + ... + 12960.

Almost surely, 2^57148479 is an apocalyptic number.

57148479 is a deficient number, since it is larger than the sum of its proper divisors (25667137).

57148479 is a wasteful number, since it uses less digits than its factorization.

57148479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20606 (or 20603 counting only the distinct ones).

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

The square root of 57148479 is about 7559.6613019367. The cubic root of 57148479 is about 385.1839880703.

The spelling of 57148479 in words is "fifty-seven million, one hundred forty-eight thousand, four hundred seventy-nine".