45554445555 has 8 divisors (see below), whose sum is σ = 72887112912. Its totient is φ = 24295704288.

The previous prime is 45554445551. The next prime is 45554445557. The reversal of 45554445555 is 55554445554.

It is a happy number.

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

It is not a de Polignac number, because 45554445555 - 2² = 45554445551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45554445498 and 45554445507.

It is not an unprimeable number, because it can be changed into a prime (45554445551) 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 7 ways as a sum of consecutive naturals, for example, 1518481504 + ... + 1518481533.

It is an arithmetic number, because the mean of its divisors is an integer number (9110889114).

Almost surely, 2^45554445555 is an apocalyptic number.

45554445555 is a deficient number, since it is larger than the sum of its proper divisors (27332667357).

45554445555 is a wasteful number, since it uses less digits than its factorization.

45554445555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036963045.

The product of its digits is 20000000, while the sum is 51.

Subtracting 45554445555 from its reverse (55554445554), we obtain a palindrome (9999999999).

The spelling of 45554445555 in words is "forty-five billion, five hundred fifty-four million, four hundred forty-five thousand, five hundred fifty-five".