551105060055 has 32 divisors (see below), whose sum is σ = 964549997568. Its totient is φ = 266474352000.

The previous prime is 551105060047. The next prime is 551105060057. The reversal of 551105060055 is 550060501155.

It is not a de Polignac number, because 551105060055 - 2³ = 551105060047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 551105059998 and 551105060025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551105060057) 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 in 31 ways as a sum of consecutive naturals, for example, 4489896 + ... + 4611005.

It is an arithmetic number, because the mean of its divisors is an integer number (30142187424).

Almost surely, 2^551105060055 is an apocalyptic number.

551105060055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551105060055 is a deficient number, since it is larger than the sum of its proper divisors (413444937513).

551105060055 is a wasteful number, since it uses less digits than its factorization.

551105060055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9101287.

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

The spelling of 551105060055 in words is "five hundred fifty-one billion, one hundred five million, sixty thousand, fifty-five".