551606316 has 12 divisors (see below), whose sum is σ = 1287081432. Its totient is φ = 183868768.

The previous prime is 551606291. The next prime is 551606317. The reversal of 551606316 is 613606155.

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

It is not an unprimeable number, because it can be changed into a prime (551606317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22983585 + ... + 22983608.

It is an arithmetic number, because the mean of its divisors is an integer number (107256786).

Almost surely, 2^551606316 is an apocalyptic number.

It is an amenable number.

551606316 is an abundant number, since it is smaller than the sum of its proper divisors (735475116).

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

551606316 is a wasteful number, since it uses less digits than its factorization.

551606316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45967200 (or 45967198 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 551606316 is about 23486.3006026918. The cubic root of 551606316 is about 820.1181249617.

The spelling of 551606316 in words is "five hundred fifty-one million, six hundred six thousand, three hundred sixteen".