551764127 has 2 divisors, whose sum is σ = 551764128. Its totient is φ = 551764126.

The previous prime is 551764049. The next prime is 551764139. The reversal of 551764127 is 721467155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551764127 - 2⁸ = 551763871 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551764627) 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, 275882063 + 275882064.

It is an arithmetic number, because the mean of its divisors is an integer number (275882064).

Almost surely, 2^551764127 is an apocalyptic number.

551764127 is a deficient number, since it is larger than the sum of its proper divisors (1).

551764127 is an equidigital number, since it uses as much as digits as its factorization.

551764127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 38.

The square root of 551764127 is about 23489.6600017965. The cubic root of 551764127 is about 820.1963276685.

The spelling of 551764127 in words is "five hundred fifty-one million, seven hundred sixty-four thousand, one hundred twenty-seven".