551001056055 has 16 divisors (see below), whose sum is σ = 881634374880. Its totient is φ = 293856334848.

The previous prime is 551001056009. The next prime is 551001056057. The reversal of 551001056055 is 550650100155.

It is not a de Polignac number, because 551001056055 - 2²⁰ = 551000007479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551001056057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254242 + ... + 1080111.

It is an arithmetic number, because the mean of its divisors is an integer number (55102148430).

Almost surely, 2^551001056055 is an apocalyptic number.

551001056055 is a deficient number, since it is larger than the sum of its proper divisors (330633318825).

551001056055 is a wasteful number, since it uses less digits than its factorization.

551001056055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361890.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 551001056055 in words is "five hundred fifty-one billion, one million, fifty-six thousand, fifty-five".