53118144 has 42 divisors (see below), whose sum is σ = 152255220. Its totient is φ = 17705856.

The previous prime is 53118139. The next prime is 53118157. The reversal of 53118144 is 44181135.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45534 + ... + 46685.

Almost surely, 2^53118144 is an apocalyptic number.

It is an amenable number.

53118144 is an abundant number, since it is smaller than the sum of its proper divisors (99137076).

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

53118144 is a wasteful number, since it uses less digits than its factorization.

53118144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92237 (or 92224 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 53118144 is about 7288.2195356616. The cubic root of 53118144 is about 375.9074768573.

Adding to 53118144 its reverse (44181135), we get a palindrome (97299279).

The spelling of 53118144 in words is "fifty-three million, one hundred eighteen thousand, one hundred forty-four".