550140778 has 12 divisors (see below), whose sum is σ = 907050690. Its totient is φ = 250063880.

The previous prime is 550140769. The next prime is 550140779. The reversal of 550140778 is 877041055.

550140778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 507015289 + 43125489 = 22517^2 + 6567^2 .

It is not an unprimeable number, because it can be changed into a prime (550140779) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1136413 + ... + 1136896.

Almost surely, 2^550140778 is an apocalyptic number.

550140778 is a deficient number, since it is larger than the sum of its proper divisors (356909912).

550140778 is a wasteful number, since it uses less digits than its factorization.

550140778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273333 (or 2273322 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 550140778 is about 23455.0800041270. The cubic root of 550140778 is about 819.3911691281.

The spelling of 550140778 in words is "five hundred fifty million, one hundred forty thousand, seven hundred seventy-eight".