553404725 has 24 divisors (see below), whose sum is σ = 718079040. Its totient is φ = 422280320.

The previous prime is 553404721. The next prime is 553404769. The reversal of 553404725 is 527404355.

It is not a de Polignac number, because 553404725 - 2² = 553404721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553404721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239777 + ... + 242073.

It is an arithmetic number, because the mean of its divisors is an integer number (29919960).

Almost surely, 2^553404725 is an apocalyptic number.

It is an amenable number.

553404725 is a deficient number, since it is larger than the sum of its proper divisors (164674315).

553404725 is a wasteful number, since it uses less digits than its factorization.

553404725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749 (or 2744 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 35.

The square root of 553404725 is about 23524.5557875170. Note that the first 3 decimals coincide. The cubic root of 553404725 is about 821.0084385691.

The spelling of 553404725 in words is "five hundred fifty-three million, four hundred four thousand, seven hundred twenty-five".