550143242341055 has 48 divisors (see below), whose sum is σ = 726782845065312. Its totient is φ = 399476026540800.

The previous prime is 550143242341039. The next prime is 550143242341111.

It is a happy number.

550143242341055 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 550143242341055 - 2⁴ = 550143242341039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550143242340997 and 550143242341015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10488282209 + ... + 10488334661.

It is an arithmetic number, because the mean of its divisors is an integer number (15141309272194).

Almost surely, 2^{550143242341055} is an apocalyptic number.

550143242341055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550143242341055 is a deficient number, since it is larger than the sum of its proper divisors (176639602724257).

550143242341055 is a wasteful number, since it uses less digits than its factorization.

550143242341055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79368 (or 79357 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 550143242341055 in words is "five hundred fifty trillion, one hundred forty-three billion, two hundred forty-two million, three hundred forty-one thousand, fifty-five".