53570136 has 32 divisors (see below), whose sum is σ = 135117360. Its totient is φ = 17697792.

The previous prime is 53570129. The next prime is 53570159. The reversal of 53570136 is 63107535.

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, 7165 + ... + 12588.

Almost surely, 2^53570136 is an apocalyptic number.

It is an amenable number.

53570136 is an abundant number, since it is smaller than the sum of its proper divisors (81547224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53570136 is a wasteful number, since it uses less digits than its factorization.

53570136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19875 (or 19871 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 53570136 is about 7319.1622471428. The cubic root of 53570136 is about 376.9706886662.

The spelling of 53570136 in words is "fifty-three million, five hundred seventy thousand, one hundred thirty-six".