57135506 has 4 divisors (see below), whose sum is σ = 85703262. Its totient is φ = 28567752.

The previous prime is 57135461. The next prime is 57135517. The reversal of 57135506 is 60553175.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46799281 + 10336225 = 6841^2 + 3215^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14283875 + ... + 14283878.

Almost surely, 2^57135506 is an apocalyptic number.

57135506 is a deficient number, since it is larger than the sum of its proper divisors (28567756).

57135506 is a wasteful number, since it uses less digits than its factorization.

57135506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28567755.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 57135506 is about 7558.8032121494. The cubic root of 57135506 is about 385.1548396128.

The spelling of 57135506 in words is "fifty-seven million, one hundred thirty-five thousand, five hundred six".