551105039 has 2 divisors, whose sum is σ = 551105040. Its totient is φ = 551105038.

The previous prime is 551104993. The next prime is 551105041. The reversal of 551105039 is 930501155.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551105039 is a prime.

It is a super-2 number, since 2×551105039² = 607433528022383042, which contains 22 as substring.

Together with 551105041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551105059) by changing a digit.

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 as a sum of consecutive naturals, namely, 275552519 + 275552520.

It is an arithmetic number, because the mean of its divisors is an integer number (275552520).

Almost surely, 2^551105039 is an apocalyptic number.

551105039 is a deficient number, since it is larger than the sum of its proper divisors (1).

551105039 is an equidigital number, since it uses as much as digits as its factorization.

551105039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3375, while the sum is 29.

The square root of 551105039 is about 23475.6264879129. The cubic root of 551105039 is about 819.8696198616.

The spelling of 551105039 in words is "five hundred fifty-one million, one hundred five thousand, thirty-nine".