516553317 has 48 divisors (see below), whose sum is σ = 882161280. Its totient is φ = 285158016.

The previous prime is 516553309. The next prime is 516553321. The reversal of 516553317 is 713355615.

516553317 is a `hidden beast` number, since 51 + 65 + 533 + 17 = 666.

It is not a de Polignac number, because 516553317 - 2³ = 516553309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516553117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 222559 + ... + 224867.

It is an arithmetic number, because the mean of its divisors is an integer number (18378360).

Almost surely, 2^516553317 is an apocalyptic number.

It is an amenable number.

516553317 is a deficient number, since it is larger than the sum of its proper divisors (365607963).

516553317 is a wasteful number, since it uses less digits than its factorization.

516553317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442 (or 2439 counting only the distinct ones).

The product of its digits is 47250, while the sum is 36.

The square root of 516553317 is about 22727.8093313016. The cubic root of 516553317 is about 802.3645236702.

The spelling of 516553317 in words is "five hundred sixteen million, five hundred fifty-three thousand, three hundred seventeen".