549683374 has 4 divisors (see below), whose sum is σ = 824525064. Its totient is φ = 274841686.

The previous prime is 549683369. The next prime is 549683399. The reversal of 549683374 is 473386945.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137420842 + ... + 137420845.

It is an arithmetic number, because the mean of its divisors is an integer number (206131266).

Almost surely, 2^549683374 is an apocalyptic number.

549683374 is a deficient number, since it is larger than the sum of its proper divisors (274841690).

549683374 is a wasteful number, since it uses less digits than its factorization.

549683374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274841689.

The product of its digits is 2177280, while the sum is 49.

The square root of 549683374 is about 23445.3273382992. The cubic root of 549683374 is about 819.1640171379.

The spelling of 549683374 in words is "five hundred forty-nine million, six hundred eighty-three thousand, three hundred seventy-four".