53391268 has 12 divisors (see below), whose sum is σ = 106782592. Its totient is φ = 22881960.

The previous prime is 53391263. The next prime is 53391313. The reversal of 53391268 is 86219335.

53391268 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53391263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953388 + ... + 953443.

Almost surely, 2^53391268 is an apocalyptic number.

It is an amenable number.

53391268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53391268 is a wasteful number, since it uses less digits than its factorization.

53391268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906842 (or 1906840 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 53391268 is about 7306.9328722796. The cubic root of 53391268 is about 376.5506587520.

The spelling of 53391268 in words is "fifty-three million, three hundred ninety-one thousand, two hundred sixty-eight".