53518536 has 32 divisors (see below), whose sum is σ = 148663200. Its totient is φ = 17839440.

The previous prime is 53518523. The next prime is 53518537. The reversal of 53518536 is 63581535.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 53518536.

It is not an unprimeable number, because it can be changed into a prime (53518537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123670 + ... + 124101.

It is an arithmetic number, because the mean of its divisors is an integer number (4645725).

Almost surely, 2^53518536 is an apocalyptic number.

It is an amenable number.

53518536 is an abundant number, since it is smaller than the sum of its proper divisors (95144664).

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

53518536 is a wasteful number, since it uses less digits than its factorization.

53518536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247786 (or 247776 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 53518536 is about 7315.6364043055. The cubic root of 53518536 is about 376.8496141412.

The spelling of 53518536 in words is "fifty-three million, five hundred eighteen thousand, five hundred thirty-six".