516553404 has 12 divisors (see below), whose sum is σ = 1205291304. Its totient is φ = 172184464.

The previous prime is 516553369. The next prime is 516553417. The reversal of 516553404 is 404355615.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21523047 + ... + 21523070.

It is an arithmetic number, because the mean of its divisors is an integer number (100440942).

Almost surely, 2^516553404 is an apocalyptic number.

It is an amenable number.

516553404 is an abundant number, since it is smaller than the sum of its proper divisors (688737900).

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

516553404 is a wasteful number, since it uses less digits than its factorization.

516553404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43046124 (or 43046122 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 516553404 is about 22727.8112452563. The cubic root of 516553404 is about 802.3645687160.

The spelling of 516553404 in words is "five hundred sixteen million, five hundred fifty-three thousand, four hundred four".