551533006417 has 2 divisors, whose sum is σ = 551533006418. Its totient is φ = 551533006416.

The previous prime is 551533006379. The next prime is 551533006429. The reversal of 551533006417 is 714600335155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 550095155856 + 1437850561 = 741684^2 + 37919^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551533006417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551533006417.

It is not a weakly prime, because it can be changed into another prime (551533006217) 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, 275766503208 + 275766503209.

It is an arithmetic number, because the mean of its divisors is an integer number (275766503209).

Almost surely, 2^551533006417 is an apocalyptic number.

It is an amenable number.

551533006417 is a deficient number, since it is larger than the sum of its proper divisors (1).

551533006417 is an equidigital number, since it uses as much as digits as its factorization.

551533006417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 551533006417 in words is "five hundred fifty-one billion, five hundred thirty-three million, six thousand, four hundred seventeen".