551252432827 has 2 divisors, whose sum is σ = 551252432828. Its totient is φ = 551252432826.

The previous prime is 551252432777. The next prime is 551252432873. The reversal of 551252432827 is 728234252155.

It is a happy number.

It is an a-pointer prime, because the next prime (551252432873) can be obtained adding 551252432827 to its sum of digits (46).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551252432827 - 2¹¹ = 551252430779 is a prime.

It is a super-2 number, since 2×551252432827² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (551252532827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275626216413 + 275626216414.

It is an arithmetic number, because the mean of its divisors is an integer number (275626216414).

Almost surely, 2^551252432827 is an apocalyptic number.

551252432827 is a deficient number, since it is larger than the sum of its proper divisors (1).

551252432827 is an equidigital number, since it uses as much as digits as its factorization.

551252432827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344000, while the sum is 46.

The spelling of 551252432827 in words is "five hundred fifty-one billion, two hundred fifty-two million, four hundred thirty-two thousand, eight hundred twenty-seven".