53391272 has 32 divisors (see below), whose sum is σ = 109490400. Its totient is φ = 24206400.

The previous prime is 53391263. The next prime is 53391313. The reversal of 53391272 is 27219335.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64622 + ... + 65442.

It is an arithmetic number, because the mean of its divisors is an integer number (3421575).

Almost surely, 2^53391272 is an apocalyptic number.

It is an amenable number.

53391272 is an abundant number, since it is smaller than the sum of its proper divisors (56099128).

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

53391272 is a wasteful number, since it uses less digits than its factorization.

53391272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577 (or 1573 counting only the distinct ones).

The product of its digits is 11340, while the sum is 32.

The square root of 53391272 is about 7306.9331459922. The cubic root of 53391272 is about 376.5506681555.

The spelling of 53391272 in words is "fifty-three million, three hundred ninety-one thousand, two hundred seventy-two".