55444200663 has 16 divisors (see below), whose sum is σ = 74645683200. Its totient is φ = 36603939840.

The previous prime is 55444200653. The next prime is 55444200667. The reversal of 55444200663 is 36600244455.

It is not a de Polignac number, because 55444200663 - 2¹⁸ = 55443938519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55444200667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40983 + ... + 335511.

It is an arithmetic number, because the mean of its divisors is an integer number (4665355200).

Almost surely, 2^55444200663 is an apocalyptic number.

55444200663 is a deficient number, since it is larger than the sum of its proper divisors (19201482537).

55444200663 is a wasteful number, since it uses less digits than its factorization.

55444200663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295142.

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 55444200663 in words is "fifty-five billion, four hundred forty-four million, two hundred thousand, six hundred sixty-three".