53808225 has 12 divisors (see below), whose sum is σ = 88963056. Its totient is φ = 28697680.

The previous prime is 53808217. The next prime is 53808229. The reversal of 53808225 is 52280835.

It is not a de Polignac number, because 53808225 - 2³ = 53808217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53808229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 358647 + ... + 358796.

It is an arithmetic number, because the mean of its divisors is an integer number (7413588).

Almost surely, 2^53808225 is an apocalyptic number.

It is an amenable number.

53808225 is a deficient number, since it is larger than the sum of its proper divisors (35154831).

53808225 is a wasteful number, since it uses less digits than its factorization.

53808225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717456 (or 717451 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 53808225 is about 7335.4089865528. The cubic root of 53808225 is about 377.5283372731.

The spelling of 53808225 in words is "fifty-three million, eight hundred eight thousand, two hundred twenty-five".