53515112 has 32 divisors (see below), whose sum is σ = 119664000. Its totient is φ = 21937344.

The previous prime is 53515097. The next prime is 53515123. The reversal of 53515112 is 21151535.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19487 + ... + 22062.

It is an arithmetic number, because the mean of its divisors is an integer number (3739500).

Almost surely, 2^53515112 is an apocalyptic number.

It is an amenable number.

53515112 is an abundant number, since it is smaller than the sum of its proper divisors (66148888).

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

53515112 is a wasteful number, since it uses less digits than its factorization.

53515112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41585 (or 41581 counting only the distinct ones).

The product of its digits is 750, while the sum is 23.

The square root of 53515112 is about 7315.4023812775. The cubic root of 53515112 is about 376.8415772958.

Adding to 53515112 its reverse (21151535), we get a palindrome (74666647).

The spelling of 53515112 in words is "fifty-three million, five hundred fifteen thousand, one hundred twelve".