550242122055 has 16 divisors (see below), whose sum is σ = 880404050400. Its totient is φ = 293456913408.

The previous prime is 550242122051. The next prime is 550242122081. The reversal of 550242122055 is 550221242055.

It is a happy number.

It is not a de Polignac number, because 550242122055 - 2² = 550242122051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550242122051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546579 + ... + 1182891.

It is an arithmetic number, because the mean of its divisors is an integer number (55025253150).

Almost surely, 2^550242122055 is an apocalyptic number.

550242122055 is a deficient number, since it is larger than the sum of its proper divisors (330161928345).

550242122055 is a wasteful number, since it uses less digits than its factorization.

550242122055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693970.

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 550242122055 in words is "five hundred fifty billion, two hundred forty-two million, one hundred twenty-two thousand, fifty-five".