57997558 has 8 divisors (see below), whose sum is σ = 87499728. Its totient is φ = 28830984.

The previous prime is 57997517. The next prime is 57997573. The reversal of 57997558 is 85579975.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 57997499 and 57997508.

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 in 3 ways as a sum of consecutive naturals, for example, 83466 + ... + 84157.

It is an arithmetic number, because the mean of its divisors is an integer number (10937466).

Almost surely, 2^57997558 is an apocalyptic number.

57997558 is a deficient number, since it is larger than the sum of its proper divisors (29502170).

57997558 is a wasteful number, since it uses less digits than its factorization.

57997558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167798.

The product of its digits is 3969000, while the sum is 55.

The square root of 57997558 is about 7615.6127790218. The cubic root of 57997558 is about 387.0822314114.

The spelling of 57997558 in words is "fifty-seven million, nine hundred ninety-seven thousand, five hundred fifty-eight".