55444020005 has 16 divisors (see below), whose sum is σ = 73950724224. Its totient is φ = 39562111680.

The previous prime is 55444019987. The next prime is 55444020019. The reversal of 55444020005 is 50002044455.

55444020005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55444020005 - 2²⁶ = 55376911141 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 55444020005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9507209 + ... + 9513038.

It is an arithmetic number, because the mean of its divisors is an integer number (4621920264).

Almost surely, 2^55444020005 is an apocalyptic number.

55444020005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55444020005 is a deficient number, since it is larger than the sum of its proper divisors (18506704219).

55444020005 is a wasteful number, since it uses less digits than its factorization.

55444020005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19020316.

The product of its (nonzero) digits is 16000, while the sum is 29.

The spelling of 55444020005 in words is "fifty-five billion, four hundred forty-four million, twenty thousand, five".