5550055545551 has 16 divisors (see below), whose sum is σ = 6057177252000. Its totient is φ = 5043362918400.

The previous prime is 5550055545521. The next prime is 5550055545553. The reversal of 5550055545551 is 1555455500555.

It is a cyclic number.

It is not a de Polignac number, because 5550055545551 - 2³⁰ = 5548981803727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5550055545551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550055545553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354650975 + ... + 354666623.

It is an arithmetic number, because the mean of its divisors is an integer number (378573578250).

Almost surely, 2^{5550055545551} is an apocalyptic number.

5550055545551 is a deficient number, since it is larger than the sum of its proper divisors (507121706449).

5550055545551 is a wasteful number, since it uses less digits than its factorization.

5550055545551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27290.

The product of its (nonzero) digits is 7812500, while the sum is 50.

The spelling of 5550055545551 in words is "five trillion, five hundred fifty billion, fifty-five million, five hundred forty-five thousand, five hundred fifty-one".