45551810555 has 8 divisors (see below), whose sum is σ = 56139528912. Its totient is φ = 35456544288.

The previous prime is 45551810483. The next prime is 45551810561. The reversal of 45551810555 is 55501815554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45551810555 - 2¹⁰ = 45551809531 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123112817 + ... + 123113186.

It is an arithmetic number, because the mean of its divisors is an integer number (7017441114).

Almost surely, 2^45551810555 is an apocalyptic number.

45551810555 is a deficient number, since it is larger than the sum of its proper divisors (10587718357).

45551810555 is a wasteful number, since it uses less digits than its factorization.

45551810555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246226045.

The product of its (nonzero) digits is 500000, while the sum is 44.

The spelling of 45551810555 in words is "forty-five billion, five hundred fifty-one million, eight hundred ten thousand, five hundred fifty-five".