550342700778 has 64 divisors (see below), whose sum is σ = 1190756391552. Its totient is φ = 168565985280.

The previous prime is 550342700773. The next prime is 550342700807. The reversal of 550342700778 is 877007243055.

It is not an unprimeable number, because it can be changed into a prime (550342700773) 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 31 ways as a sum of consecutive naturals, for example, 16885618 + ... + 16918178.

It is an arithmetic number, because the mean of its divisors is an integer number (18605568618).

Almost surely, 2^550342700778 is an apocalyptic number.

550342700778 is an abundant number, since it is smaller than the sum of its proper divisors (640413690774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550342700778 is a wasteful number, since it uses less digits than its factorization.

550342700778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33559.

The product of its (nonzero) digits is 1646400, while the sum is 48.

The spelling of 550342700778 in words is "five hundred fifty billion, three hundred forty-two million, seven hundred thousand, seven hundred seventy-eight".