550111378 has 8 divisors (see below), whose sum is σ = 861043968. Its totient is φ = 263096724.

The previous prime is 550111363. The next prime is 550111379. The reversal of 550111378 is 873111055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (550111379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5979426 + ... + 5979517.

It is an arithmetic number, because the mean of its divisors is an integer number (107630496).

Almost surely, 2^550111378 is an apocalyptic number.

550111378 is a deficient number, since it is larger than the sum of its proper divisors (310932590).

550111378 is a wasteful number, since it uses less digits than its factorization.

550111378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11958968.

The product of its (nonzero) digits is 4200, while the sum is 31.

The square root of 550111378 is about 23454.4532658512. The cubic root of 550111378 is about 819.3765725433.

The spelling of 550111378 in words is "five hundred fifty million, one hundred eleven thousand, three hundred seventy-eight".