57813838 has 16 divisors (see below), whose sum is σ = 91962864. Its totient is φ = 27164800.

The previous prime is 57813817. The next prime is 57813871. The reversal of 57813838 is 83831875.

It is a junction number, because it is equal to n+sod(n) for n = 57813794 and 57813803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43581 + ... + 44887.

It is an arithmetic number, because the mean of its divisors is an integer number (5747679).

Almost surely, 2^57813838 is an apocalyptic number.

57813838 is a deficient number, since it is larger than the sum of its proper divisors (34149026).

57813838 is a wasteful number, since it uses less digits than its factorization.

57813838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627.

The product of its digits is 161280, while the sum is 43.

The square root of 57813838 is about 7603.5411487017. The cubic root of 57813838 is about 386.6730764230.

The spelling of 57813838 in words is "fifty-seven million, eight hundred thirteen thousand, eight hundred thirty-eight".