55550500005547 has 4 divisors (see below), whose sum is σ = 55918384111696. Its totient is φ = 55182615899400.

The previous prime is 55550500005529. The next prime is 55550500005557. The reversal of 55550500005547 is 74550000505555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55550500005547 - 2³⁵ = 55516140267179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55550500005497 and 55550500005506.

It is not an unprimeable number, because it can be changed into a prime (55550500005557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183942052848 + ... + 183942053149.

It is an arithmetic number, because the mean of its divisors is an integer number (13979596027924).

Almost surely, 2^{55550500005547} is an apocalyptic number.

55550500005547 is a deficient number, since it is larger than the sum of its proper divisors (367884106149).

55550500005547 is a wasteful number, since it uses less digits than its factorization.

55550500005547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367884106148.

The product of its (nonzero) digits is 2187500, while the sum is 46.

The spelling of 55550500005547 in words is "fifty-five trillion, five hundred fifty billion, five hundred million, five thousand, five hundred forty-seven".