551726676 has 18 divisors (see below), whose sum is σ = 1394642522. Its totient is φ = 183908880.

The previous prime is 551726629. The next prime is 551726689. The reversal of 551726676 is 676627155.

551726676 is a `hidden beast` number, since 5 + 517 + 2 + 66 + 76 = 666.

It can be written as a sum of positive squares in only one way, i.e., 480661776 + 71064900 = 21924^2 + 8430^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×551726676³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7662835 + ... + 7662906.

Almost surely, 2^551726676 is an apocalyptic number.

It is an amenable number.

551726676 is an abundant number, since it is smaller than the sum of its proper divisors (842915846).

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

551726676 is a wasteful number, since it uses less digits than its factorization.

551726676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15325751 (or 15325746 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 551726676 is about 23488.8628077223. The cubic root of 551726676 is about 820.1777703018.

The spelling of 551726676 in words is "five hundred fifty-one million, seven hundred twenty-six thousand, six hundred seventy-six".