516868550 has 48 divisors (see below), whose sum is σ = 1074399984. Its totient is φ = 183360000.

The previous prime is 516868501. The next prime is 516868559. The reversal of 516868550 is 55868615.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516868559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11090 + ... + 34010.

It is an arithmetic number, because the mean of its divisors is an integer number (22383333).

Almost surely, 2^516868550 is an apocalyptic number.

516868550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

516868550 is an abundant number, since it is smaller than the sum of its proper divisors (557531434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516868550 is a wasteful number, since it uses less digits than its factorization.

516868550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22985 (or 22980 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 44.

The square root of 516868550 is about 22734.7432358494. The cubic root of 516868550 is about 802.5277080782.

The spelling of 516868550 in words is "five hundred sixteen million, eight hundred sixty-eight thousand, five hundred fifty".