55204350263 has 4 divisors (see below), whose sum is σ = 55343404440. Its totient is φ = 55065296088.

The previous prime is 55204350259. The next prime is 55204350269. The reversal of 55204350263 is 36205340255.

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 55204350263 - 2² = 55204350259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55204350269) 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, 69526493 + ... + 69527286.

It is an arithmetic number, because the mean of its divisors is an integer number (13835851110).

Almost surely, 2^55204350263 is an apocalyptic number.

55204350263 is a deficient number, since it is larger than the sum of its proper divisors (139054177).

55204350263 is a wasteful number, since it uses less digits than its factorization.

55204350263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139054176.

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 55204350263 in words is "fifty-five billion, two hundred four million, three hundred fifty thousand, two hundred sixty-three".