53265631 has 4 divisors (see below), whose sum is σ = 55581552. Its totient is φ = 50949712.

The previous prime is 53265623. The next prime is 53265643. The reversal of 53265631 is 13656235.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53265631 - 2³ = 53265623 is a prime.

It is a super-2 number, since 2×53265631² = 5674454891656322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53265593 and 53265602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53265661) 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, 1157926 + ... + 1157971.

It is an arithmetic number, because the mean of its divisors is an integer number (13895388).

Almost surely, 2^53265631 is an apocalyptic number.

53265631 is a deficient number, since it is larger than the sum of its proper divisors (2315921).

53265631 is a wasteful number, since it uses less digits than its factorization.

53265631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315920.

The product of its digits is 16200, while the sum is 31.

The square root of 53265631 is about 7298.3306995504. The cubic root of 53265631 is about 376.2550682717.

The spelling of 53265631 in words is "fifty-three million, two hundred sixty-five thousand, six hundred thirty-one".