53131326 has 16 divisors (see below), whose sum is σ = 108854928. Its totient is φ = 17278400.

The previous prime is 53131321. The next prime is 53131327. The reversal of 53131326 is 62313135.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53131296 and 53131305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53131321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107745 + ... + 108236.

It is an arithmetic number, because the mean of its divisors is an integer number (6803433).

Almost surely, 2^53131326 is an apocalyptic number.

53131326 is an abundant number, since it is smaller than the sum of its proper divisors (55723602).

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

53131326 is a wasteful number, since it uses less digits than its factorization.

53131326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216027.

The product of its digits is 1620, while the sum is 24.

The square root of 53131326 is about 7289.1238156585. The cubic root of 53131326 is about 375.9385698269.

The spelling of 53131326 in words is "fifty-three million, one hundred thirty-one thousand, three hundred twenty-six".