57989798 has 4 divisors (see below), whose sum is σ = 86984700. Its totient is φ = 28994898.

The previous prime is 57989783. The next prime is 57989807. The reversal of 57989798 is 89798975.

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

It is a self number, because there is not a number n which added to its sum of digits gives 57989798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14497448 + ... + 14497451.

It is an arithmetic number, because the mean of its divisors is an integer number (21746175).

Almost surely, 2^57989798 is an apocalyptic number.

57989798 is a deficient number, since it is larger than the sum of its proper divisors (28994902).

57989798 is a wasteful number, since it uses less digits than its factorization.

57989798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28994901.

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

The square root of 57989798 is about 7615.1032822937. The cubic root of 57989798 is about 387.0649669368.

The spelling of 57989798 in words is "fifty-seven million, nine hundred eighty-nine thousand, seven hundred ninety-eight".