551400452231 has 2 divisors, whose sum is σ = 551400452232. Its totient is φ = 551400452230.

The previous prime is 551400452219. The next prime is 551400452293. The reversal of 551400452231 is 132254004155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551400452231 - 2¹⁴ = 551400435847 is a prime.

It is a super-2 number, since 2×551400452231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551400452131) 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, 275700226115 + 275700226116.

It is an arithmetic number, because the mean of its divisors is an integer number (275700226116).

Almost surely, 2^551400452231 is an apocalyptic number.

551400452231 is a deficient number, since it is larger than the sum of its proper divisors (1).

551400452231 is an equidigital number, since it uses as much as digits as its factorization.

551400452231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 551400452231 its reverse (132254004155), we get a palindrome (683654456386).

The spelling of 551400452231 in words is "five hundred fifty-one billion, four hundred million, four hundred fifty-two thousand, two hundred thirty-one".