549856378 has 8 divisors (see below), whose sum is σ = 825804000. Its totient is φ = 274588380.

The previous prime is 549856369. The next prime is 549856403. The reversal of 549856378 is 873658945.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167878 + ... + 171121.

It is an arithmetic number, because the mean of its divisors is an integer number (103225500).

Almost surely, 2^549856378 is an apocalyptic number.

549856378 is a deficient number, since it is larger than the sum of its proper divisors (275947622).

549856378 is a wasteful number, since it uses less digits than its factorization.

549856378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339812.

The product of its digits is 7257600, while the sum is 55.

The square root of 549856378 is about 23449.0165678648. The cubic root of 549856378 is about 819.2499476893.

The spelling of 549856378 in words is "five hundred forty-nine million, eight hundred fifty-six thousand, three hundred seventy-eight".