550355321242 has 128 divisors (see below), whose sum is σ = 944062387200. Its totient is φ = 239339003904.

The previous prime is 550355321231. The next prime is 550355321281. The reversal of 550355321242 is 242123553055.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 487470934 + ... + 487472062.

It is an arithmetic number, because the mean of its divisors is an integer number (7375487400).

Almost surely, 2^550355321242 is an apocalyptic number.

550355321242 is a deficient number, since it is larger than the sum of its proper divisors (393707065958).

550355321242 is a wasteful number, since it uses less digits than its factorization.

550355321242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448.

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 550355321242 its reverse (242123553055), we get a palindrome (792478874297).

The spelling of 550355321242 in words is "five hundred fifty billion, three hundred fifty-five million, three hundred twenty-one thousand, two hundred forty-two".