57855993 has 16 divisors (see below), whose sum is σ = 83736576. Its totient is φ = 35320320.

The previous prime is 57855991. The next prime is 57856031. The reversal of 57855993 is 39955875.

It is not a de Polignac number, because 57855993 - 2¹ = 57855991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57855991) 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, 888 + ... + 10793.

It is an arithmetic number, because the mean of its divisors is an integer number (5233536).

Almost surely, 2^57855993 is an apocalyptic number.

It is an amenable number.

57855993 is a deficient number, since it is larger than the sum of its proper divisors (25880583).

57855993 is a wasteful number, since it uses less digits than its factorization.

57855993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11824.

The product of its digits is 1701000, while the sum is 51.

The square root of 57855993 is about 7606.3127072189. The cubic root of 57855993 is about 386.7670345706.

The spelling of 57855993 in words is "fifty-seven million, eight hundred fifty-five thousand, nine hundred ninety-three".