57789998 has 16 divisors (see below), whose sum is σ = 99571200. Its totient is φ = 24641496.

The previous prime is 57789959. The next prime is 57790013. The reversal of 57789998 is 89998775.

It is a self number, because there is not a number n which added to its sum of digits gives 57789998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7586 + ... + 13157.

It is an arithmetic number, because the mean of its divisors is an integer number (6223200).

Almost surely, 2^57789998 is an apocalyptic number.

57789998 is a deficient number, since it is larger than the sum of its proper divisors (41781202).

57789998 is a wasteful number, since it uses less digits than its factorization.

57789998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20951.

The product of its digits is 11430720, while the sum is 62.

The square root of 57789998 is about 7601.9732964540. The cubic root of 57789998 is about 386.6199198672.

The spelling of 57789998 in words is "fifty-seven million, seven hundred eighty-nine thousand, nine hundred ninety-eight".