550302775278 has 32 divisors (see below), whose sum is σ = 1158773130240. Its totient is φ = 173743678080.

The previous prime is 550302775271. The next prime is 550302775307. The reversal of 550302775278 is 872577203055.

It is a self number, because there is not a number n which added to its sum of digits gives 550302775278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550302775271) 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, 51126 + ... + 1050342.

It is an arithmetic number, because the mean of its divisors is an integer number (36211660320).

Almost surely, 2^550302775278 is an apocalyptic number.

550302775278 is an abundant number, since it is smaller than the sum of its proper divisors (608470354962).

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

550302775278 is a wasteful number, since it uses less digits than its factorization.

550302775278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004072.

The product of its (nonzero) digits is 4116000, while the sum is 51.

The spelling of 550302775278 in words is "five hundred fifty billion, three hundred two million, seven hundred seventy-five thousand, two hundred seventy-eight".