551984967 has 12 divisors (see below), whose sum is σ = 814276320. Its totient is φ = 360160128.

The previous prime is 551984959. The next prime is 551984969. The reversal of 551984967 is 769489155.

551984967 is a `hidden beast` number, since 551 + 9 + 84 + 9 + 6 + 7 = 666.

It is not a de Polignac number, because 551984967 - 2³ = 551984959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551984969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 652042 + ... + 652887.

It is an arithmetic number, because the mean of its divisors is an integer number (67856360).

Almost surely, 2^551984967 is an apocalyptic number.

551984967 is a deficient number, since it is larger than the sum of its proper divisors (262291353).

551984967 is a wasteful number, since it uses less digits than its factorization.

551984967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304982 (or 1304979 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The square root of 551984967 is about 23494.3603232776. The cubic root of 551984967 is about 820.3057391530.

The spelling of 551984967 in words is "five hundred fifty-one million, nine hundred eighty-four thousand, nine hundred sixty-seven".