53551312 has 20 divisors (see below), whose sum is σ = 104055840. Its totient is φ = 26698208.

The previous prime is 53551273. The next prime is 53551327. The reversal of 53551312 is 21315535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083 + ... + 10405.

It is an arithmetic number, because the mean of its divisors is an integer number (5202792).

Almost surely, 2^53551312 is an apocalyptic number.

It is an amenable number.

53551312 is a deficient number, since it is larger than the sum of its proper divisors (50504528).

53551312 is a wasteful number, since it uses less digits than its factorization.

53551312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9690 (or 9684 counting only the distinct ones).

The product of its digits is 2250, while the sum is 25.

The square root of 53551312 is about 7317.8761946346. The cubic root of 53551312 is about 376.9265289403.

Adding to 53551312 its reverse (21315535), we get a palindrome (74866847).

The spelling of 53551312 in words is "fifty-three million, five hundred fifty-one thousand, three hundred twelve".