551011607 has 2 divisors, whose sum is σ = 551011608. Its totient is φ = 551011606.

The previous prime is 551011579. The next prime is 551011613. The reversal of 551011607 is 706110155.

551011607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551011607 - 2⁶ = 551011543 is a prime.

It is a super-2 number, since 2×551011607² = 607227582097444898, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551013607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275505803 + 275505804.

It is an arithmetic number, because the mean of its divisors is an integer number (275505804).

Almost surely, 2^551011607 is an apocalyptic number.

551011607 is a deficient number, since it is larger than the sum of its proper divisors (1).

551011607 is an equidigital number, since it uses as much as digits as its factorization.

551011607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 551011607 is about 23473.6364247212. The cubic root of 551011607 is about 819.8232848424.

The spelling of 551011607 in words is "five hundred fifty-one million, eleven thousand, six hundred seven".