57749486 has 4 divisors (see below), whose sum is σ = 86624232. Its totient is φ = 28874742.

The previous prime is 57749453. The next prime is 57749501. The reversal of 57749486 is 68494775.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14437370 + ... + 14437373.

It is an arithmetic number, because the mean of its divisors is an integer number (21656058).

Almost surely, 2^57749486 is an apocalyptic number.

57749486 is a deficient number, since it is larger than the sum of its proper divisors (28874746).

57749486 is a wasteful number, since it uses less digits than its factorization.

57749486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28874745.

The product of its digits is 1693440, while the sum is 50.

The square root of 57749486 is about 7599.3082579930. The cubic root of 57749486 is about 386.5295558589.

The spelling of 57749486 in words is "fifty-seven million, seven hundred forty-nine thousand, four hundred eighty-six".