553255717 has 12 divisors (see below), whose sum is σ = 643981440. Its totient is φ = 473925816.

The previous prime is 553255697. The next prime is 553255733. The reversal of 553255717 is 717552355.

It is a de Polignac number, because none of the positive numbers 2^k-553255717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 553255717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553259717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122188 + ... + 126634.

It is an arithmetic number, because the mean of its divisors is an integer number (53665120).

Almost surely, 2^553255717 is an apocalyptic number.

It is an amenable number.

553255717 is a deficient number, since it is larger than the sum of its proper divisors (90725723).

553255717 is a wasteful number, since it uses less digits than its factorization.

553255717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000 (or 6993 counting only the distinct ones).

The product of its digits is 183750, while the sum is 40.

The square root of 553255717 is about 23521.3885006817. The cubic root of 553255717 is about 820.9347445789.

The spelling of 553255717 in words is "five hundred fifty-three million, two hundred fifty-five thousand, seven hundred seventeen".