57789638 has 8 divisors (see below), whose sum is σ = 86740632. Its totient is φ = 28876096.

The previous prime is 57789619. The next prime is 57789703. The reversal of 57789638 is 83698775.

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

It is a self number, because there is not a number n which added to its sum of digits gives 57789638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5120 + ... + 11907.

It is an arithmetic number, because the mean of its divisors is an integer number (10842579).

Almost surely, 2^57789638 is an apocalyptic number.

57789638 is a deficient number, since it is larger than the sum of its proper divisors (28950994).

57789638 is a wasteful number, since it uses less digits than its factorization.

57789638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18726.

The product of its digits is 2540160, while the sum is 53.

The square root of 57789638 is about 7601.9496183545. The cubic root of 57789638 is about 386.6191170555.

The spelling of 57789638 in words is "fifty-seven million, seven hundred eighty-nine thousand, six hundred thirty-eight".