53436318 has 16 divisors (see below), whose sum is σ = 115093776. Its totient is φ = 16441920.

The previous prime is 53436307. The next prime is 53436323. The reversal of 53436318 is 81363435.

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, 342463 + ... + 342618.

It is an arithmetic number, because the mean of its divisors is an integer number (7193361).

Almost surely, 2^53436318 is an apocalyptic number.

53436318 is an abundant number, since it is smaller than the sum of its proper divisors (61657458).

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

53436318 is a wasteful number, since it uses less digits than its factorization.

53436318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685099.

The product of its digits is 25920, while the sum is 33.

The square root of 53436318 is about 7310.0149110655. The cubic root of 53436318 is about 376.6565364789.

The spelling of 53436318 in words is "fifty-three million, four hundred thirty-six thousand, three hundred eighteen".