53365631 has 8 divisors (see below), whose sum is σ = 58512000. Its totient is φ = 48268440.

The previous prime is 53365607. The next prime is 53365643. The reversal of 53365631 is 13656335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-53365631 is a prime.

It is a super-2 number, since 2×53365631² = 5695781144056322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53365651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10001 + ... + 14378.

It is an arithmetic number, because the mean of its divisors is an integer number (7314000).

Almost surely, 2^53365631 is an apocalyptic number.

53365631 is a deficient number, since it is larger than the sum of its proper divisors (5146369).

53365631 is a wasteful number, since it uses less digits than its factorization.

53365631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24589.

The product of its digits is 24300, while the sum is 32.

The square root of 53365631 is about 7305.1783688011. The cubic root of 53365631 is about 376.4903793895.

The spelling of 53365631 in words is "fifty-three million, three hundred sixty-five thousand, six hundred thirty-one".