551132551 has 2 divisors, whose sum is σ = 551132552. Its totient is φ = 551132550.

The previous prime is 551132521. The next prime is 551132557. The reversal of 551132551 is 155231155.

551132551 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 551132551 - 2⁷ = 551132423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551132557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275566275 + 275566276.

It is an arithmetic number, because the mean of its divisors is an integer number (275566276).

Almost surely, 2^551132551 is an apocalyptic number.

551132551 is a deficient number, since it is larger than the sum of its proper divisors (1).

551132551 is an equidigital number, since it uses as much as digits as its factorization.

551132551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3750, while the sum is 28.

The square root of 551132551 is about 23476.2124500525. The cubic root of 551132551 is about 819.8832626798.

The spelling of 551132551 in words is "five hundred fifty-one million, one hundred thirty-two thousand, five hundred fifty-one".