53624231 has 4 divisors (see below), whose sum is σ = 53687232. Its totient is φ = 53561232.

The previous prime is 53624183. The next prime is 53624237. The reversal of 53624231 is 13242635.

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

It is not a de Polignac number, because 53624231 - 2¹⁴ = 53607847 is a prime.

It is a super-2 number, since 2×53624231² = 5751116300682722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53624231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53624237) 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, 30206 + ... + 31931.

It is an arithmetic number, because the mean of its divisors is an integer number (13421808).

Almost surely, 2^53624231 is an apocalyptic number.

53624231 is a deficient number, since it is larger than the sum of its proper divisors (63001).

53624231 is an equidigital number, since it uses as much as digits as its factorization.

53624231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63000.

The product of its digits is 4320, while the sum is 26.

The square root of 53624231 is about 7322.8567512959. The cubic root of 53624231 is about 377.0975340243.

Adding to 53624231 its reverse (13242635), we get a palindrome (66866866).

The spelling of 53624231 in words is "fifty-three million, six hundred twenty-four thousand, two hundred thirty-one".