53040636 has 48 divisors (see below), whose sum is σ = 150017280. Its totient is φ = 16072560.

The previous prime is 53040619. The next prime is 53040641. The reversal of 53040636 is 63604035.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 21136 + ... + 23511.

It is an arithmetic number, because the mean of its divisors is an integer number (3125360).

Almost surely, 2^53040636 is an apocalyptic number.

It is an amenable number.

53040636 is an abundant number, since it is smaller than the sum of its proper divisors (96976644).

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

53040636 is a wasteful number, since it uses less digits than its factorization.

53040636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44671 (or 44663 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 53040636 is about 7282.9002464677. The cubic root of 53040636 is about 375.7245511667.

The spelling of 53040636 in words is "fifty-three million, forty thousand, six hundred thirty-six".