57486491 has 4 divisors (see below), whose sum is σ = 58014000. Its totient is φ = 56958984.

The previous prime is 57486479. The next prime is 57486511. The reversal of 57486491 is 19468475.

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

It is a cyclic number.

It is not a de Polignac number, because 57486491 - 2⁶ = 57486427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57486421) 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, 263591 + ... + 263808.

It is an arithmetic number, because the mean of its divisors is an integer number (14503500).

Almost surely, 2^57486491 is an apocalyptic number.

57486491 is a deficient number, since it is larger than the sum of its proper divisors (527509).

57486491 is a wasteful number, since it uses less digits than its factorization.

57486491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527508.

The product of its digits is 241920, while the sum is 44.

The square root of 57486491 is about 7581.9846346455. The cubic root of 57486491 is about 385.9419024483.

The spelling of 57486491 in words is "fifty-seven million, four hundred eighty-six thousand, four hundred ninety-one".