53431325 has 24 divisors (see below), whose sum is σ = 70218720. Its totient is φ = 40219200.

The previous prime is 53431297. The next prime is 53431349. The reversal of 53431325 is 52313435.

53431325 = T₉₄ + T₉₅ + ... + T₆₈₄.

It is not a de Polignac number, because 53431325 - 2¹⁰ = 53430301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53431294 and 53431303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93290 + ... + 93860.

It is an arithmetic number, because the mean of its divisors is an integer number (2925780).

Almost surely, 2^53431325 is an apocalyptic number.

It is an amenable number.

53431325 is a deficient number, since it is larger than the sum of its proper divisors (16787395).

53431325 is a wasteful number, since it uses less digits than its factorization.

53431325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 792 counting only the distinct ones).

The product of its digits is 5400, while the sum is 26.

The square root of 53431325 is about 7309.6733853162. The cubic root of 53431325 is about 376.6448047283.

The spelling of 53431325 in words is "fifty-three million, four hundred thirty-one thousand, three hundred twenty-five".