57155135 has 16 divisors (see below), whose sum is σ = 72658560. Its totient is φ = 43040160.

The previous prime is 57155113. The next prime is 57155159. The reversal of 57155135 is 53155175.

It is not a de Polignac number, because 57155135 - 2¹⁸ = 56892991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13640 + ... + 17330.

It is an arithmetic number, because the mean of its divisors is an integer number (4541160).

Almost surely, 2^57155135 is an apocalyptic number.

57155135 is a deficient number, since it is larger than the sum of its proper divisors (15503425).

57155135 is a wasteful number, since it uses less digits than its factorization.

57155135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878.

The product of its digits is 13125, while the sum is 32.

The square root of 57155135 is about 7560.1015204824. The cubic root of 57155135 is about 385.1989414289.

The spelling of 57155135 in words is "fifty-seven million, one hundred fifty-five thousand, one hundred thirty-five".