53225831 has 4 divisors (see below), whose sum is σ = 54524064. Its totient is φ = 51927600.

The previous prime is 53225813. The next prime is 53225867. The reversal of 53225831 is 13852235.

53225831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53225831 is a prime.

It is a super-2 number, since 2×53225831² = 5665978171281122, 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 = 53225794 and 53225803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53225801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649055 + ... + 649136.

It is an arithmetic number, because the mean of its divisors is an integer number (13631016).

Almost surely, 2^53225831 is an apocalyptic number.

53225831 is a deficient number, since it is larger than the sum of its proper divisors (1298233).

53225831 is a wasteful number, since it uses less digits than its factorization.

53225831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298232.

The product of its digits is 7200, while the sum is 29.

The square root of 53225831 is about 7295.6035391186. The cubic root of 53225831 is about 376.1613325129.

The spelling of 53225831 in words is "fifty-three million, two hundred twenty-five thousand, eight hundred thirty-one".