551005100055 has 12 divisors (see below), whose sum is σ = 955075506840. Its totient is φ = 293869386672.

The previous prime is 551005100011. The next prime is 551005100059. The reversal of 551005100055 is 550001500155.

551005100055 is a `hidden beast` number, since 551 + 0 + 0 + 5 + 100 + 0 + 5 + 5 = 666.

It is not a de Polignac number, because 551005100055 - 2¹⁹ = 551004575767 is a prime.

It is a super-2 number, since 2×551005100055² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551005100059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6122278845 + ... + 6122278934.

It is an arithmetic number, because the mean of its divisors is an integer number (79589625570).

Almost surely, 2^551005100055 is an apocalyptic number.

551005100055 is a deficient number, since it is larger than the sum of its proper divisors (404070406785).

551005100055 is a wasteful number, since it uses less digits than its factorization.

551005100055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12244557790 (or 12244557787 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The spelling of 551005100055 in words is "five hundred fifty-one billion, five million, one hundred thousand, fifty-five".