551011055055 has 16 divisors (see below), whose sum is σ = 928018619520. Its totient is φ = 278405585568.

The previous prime is 551011055047. The next prime is 551011055087. The reversal of 551011055055 is 550550110155.

It is not a de Polignac number, because 551011055055 - 2³ = 551011055047 is a prime.

It is a super-2 number, since 2×551011055055² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 966685777 + ... + 966686346.

It is an arithmetic number, because the mean of its divisors is an integer number (58001163720).

Almost surely, 2^551011055055 is an apocalyptic number.

551011055055 is a deficient number, since it is larger than the sum of its proper divisors (377007564465).

551011055055 is a wasteful number, since it uses less digits than its factorization.

551011055055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933372150.

The product of its (nonzero) digits is 15625, while the sum is 33.

The spelling of 551011055055 in words is "five hundred fifty-one billion, eleven million, fifty-five thousand, fifty-five".