57499798 has 4 divisors (see below), whose sum is σ = 86249700. Its totient is φ = 28749898.

The previous prime is 57499777. The next prime is 57499801. The reversal of 57499798 is 89799475.

It is a happy number.

57499798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14374948 + ... + 14374951.

It is an arithmetic number, because the mean of its divisors is an integer number (21562425).

Almost surely, 2^57499798 is an apocalyptic number.

57499798 is a deficient number, since it is larger than the sum of its proper divisors (28749902).

57499798 is a wasteful number, since it uses less digits than its factorization.

57499798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28749901.

The product of its digits is 5715360, while the sum is 58.

The square root of 57499798 is about 7582.8621245543. The cubic root of 57499798 is about 385.9716794886.

The spelling of 57499798 in words is "fifty-seven million, four hundred ninety-nine thousand, seven hundred ninety-eight".