57855039 has 16 divisors (see below), whose sum is σ = 84357504. Its totient is φ = 34978400.

The previous prime is 57855037. The next prime is 57855041. The reversal of 57855039 is 93055875.

It is an interprime number because it is at equal distance from previous prime (57855037) and next prime (57855041).

It is a cyclic number.

It is not a de Polignac number, because 57855039 - 2¹ = 57855037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57855037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13312 + ... + 17114.

It is an arithmetic number, because the mean of its divisors is an integer number (5272344).

Almost surely, 2^57855039 is an apocalyptic number.

57855039 is a deficient number, since it is larger than the sum of its proper divisors (26502465).

57855039 is a wasteful number, since it uses less digits than its factorization.

57855039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 57855039 is about 7606.2499958915. The cubic root of 57855039 is about 386.7649087305.

The spelling of 57855039 in words is "fifty-seven million, eight hundred fifty-five thousand, thirty-nine".