55444424345 has 8 divisors (see below), whose sum is σ = 66587102664. Its totient is φ = 44319677184.

The previous prime is 55444424339. The next prime is 55444424369. The reversal of 55444424345 is 54342444455.

It can be written as a sum of positive squares in 4 ways, for example, as 3507837529 + 51936586816 = 59227^2 + 227896^2 .

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 55444424345 - 2²⁰ = 55443375769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55444424296 and 55444424305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4475984 + ... + 4488353.

It is an arithmetic number, because the mean of its divisors is an integer number (8323387833).

Almost surely, 2^55444424345 is an apocalyptic number.

It is an amenable number.

55444424345 is a deficient number, since it is larger than the sum of its proper divisors (11142678319).

55444424345 is a wasteful number, since it uses less digits than its factorization.

55444424345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8965579.

The product of its digits is 3072000, while the sum is 44.

The spelling of 55444424345 in words is "fifty-five billion, four hundred forty-four million, four hundred twenty-four thousand, three hundred forty-five".