549824446 has 4 divisors (see below), whose sum is σ = 824736672. Its totient is φ = 274912222.

The previous prime is 549824441. The next prime is 549824447. The reversal of 549824446 is 644428945.

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

It is a junction number, because it is equal to n+sod(n) for n = 549824396 and 549824405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549824441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137456110 + ... + 137456113.

It is an arithmetic number, because the mean of its divisors is an integer number (206184168).

Almost surely, 2^549824446 is an apocalyptic number.

549824446 is a deficient number, since it is larger than the sum of its proper divisors (274912226).

549824446 is a wasteful number, since it uses less digits than its factorization.

549824446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274912225.

The product of its digits is 1105920, while the sum is 46.

The square root of 549824446 is about 23448.3356765464. The cubic root of 549824446 is about 819.2340885203.

The spelling of 549824446 in words is "five hundred forty-nine million, eight hundred twenty-four thousand, four hundred forty-six".