549379790 has 16 divisors (see below), whose sum is σ = 989171568. Its totient is φ = 219687936.

The previous prime is 549379783. The next prime is 549379807. The reversal of 549379790 is 97973945.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44429 + ... + 55431.

It is an arithmetic number, because the mean of its divisors is an integer number (61823223).

Almost surely, 2^549379790 is an apocalyptic number.

549379790 is a deficient number, since it is larger than the sum of its proper divisors (439791778).

549379790 is a wasteful number, since it uses less digits than its factorization.

549379790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16003.

The product of its (nonzero) digits is 2143260, while the sum is 53.

The square root of 549379790 is about 23438.8521476629. The cubic root of 549379790 is about 819.0131843150.

The spelling of 549379790 in words is "five hundred forty-nine million, three hundred seventy-nine thousand, seven hundred ninety".