3554551223055 has 72 divisors (see below), whose sum is σ = 7588732246992. Its totient is φ = 1529353115136.

The previous prime is 3554551223017. The next prime is 3554551223057. The reversal of 3554551223055 is 5503221554553.

It is a happy number.

3554551223055 is a `hidden beast` number, since 3 + 5 + 54 + 5 + 512 + 2 + 30 + 55 = 666.

It is not a de Polignac number, because 3554551223055 - 2¹⁰ = 3554551222031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3554551223055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3554551223057) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47375497 + ... + 47450466.

It is an arithmetic number, because the mean of its divisors is an integer number (105399058986).

Almost surely, 2^{3554551223055} is an apocalyptic number.

3554551223055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3554551223055 is an abundant number, since it is smaller than the sum of its proper divisors (4034181023937).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3554551223055 is a wasteful number, since it uses less digits than its factorization.

3554551223055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94826005 (or 94825995 counting only the distinct ones).

The product of its (nonzero) digits is 2250000, while the sum is 45.

The spelling of 3554551223055 in words is "three trillion, five hundred fifty-four billion, five hundred fifty-one million, two hundred twenty-three thousand, fifty-five".