55500005545 has 8 divisors (see below), whose sum is σ = 66617898624. Its totient is φ = 44388076464.

The previous prime is 55500005543. The next prime is 55500005579. The reversal of 55500005545 is 54550000555.

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 55500005545 - 2¹ = 55500005543 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 55500005545.

It is not an unprimeable number, because it can be changed into a prime (55500005543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1470499 + ... + 1507768.

It is an arithmetic number, because the mean of its divisors is an integer number (8327237328).

Almost surely, 2^55500005545 is an apocalyptic number.

It is an amenable number.

55500005545 is a deficient number, since it is larger than the sum of its proper divisors (11117893079).

55500005545 is a wasteful number, since it uses less digits than its factorization.

55500005545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981999.

The product of its (nonzero) digits is 62500, while the sum is 34.

The spelling of 55500005545 in words is "fifty-five billion, five hundred million, five thousand, five hundred forty-five".