516516550 has 24 divisors (see below), whose sum is σ = 1048060152. Its totient is φ = 187824000.

The previous prime is 516516547. The next prime is 516516587. The reversal of 516516550 is 55615615.

It is a super-3 number, since 3×516516550³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 469011 + ... + 470110.

It is an arithmetic number, because the mean of its divisors is an integer number (43669173).

Almost surely, 2^516516550 is an apocalyptic number.

516516550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

516516550 is an abundant number, since it is smaller than the sum of its proper divisors (531543602).

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

516516550 is a wasteful number, since it uses less digits than its factorization.

516516550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939144 (or 939139 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 516516550 is about 22727.0004620055. Note that the first 3 decimals coincide. The cubic root of 516516550 is about 802.3454864379.

The spelling of 516516550 in words is "five hundred sixteen million, five hundred sixteen thousand, five hundred fifty".