57135518 has 16 divisors (see below), whose sum is σ = 93659760. Its totient is φ = 25924800.

The previous prime is 57135517. The next prime is 57135553. The reversal of 57135518 is 81553175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57135517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12578 + ... + 16506.

It is an arithmetic number, because the mean of its divisors is an integer number (5853735).

Almost surely, 2^57135518 is an apocalyptic number.

57135518 is a deficient number, since it is larger than the sum of its proper divisors (36524242).

57135518 is a wasteful number, since it uses less digits than its factorization.

57135518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603.

The product of its digits is 21000, while the sum is 35.

The square root of 57135518 is about 7558.8040059258. The cubic root of 57135518 is about 385.1548665771.

The spelling of 57135518 in words is "fifty-seven million, one hundred thirty-five thousand, five hundred eighteen".