549303945 has 16 divisors (see below), whose sum is σ = 879317952. Its totient is φ = 292818240.

The previous prime is 549303913. The next prime is 549303959.

It is a happy number.

549303945 is nontrivially palindromic in base 10.

549303945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 549303945 - 2⁵ = 549303913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 549303897 and 549303906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27294 + ... + 42936.

It is an arithmetic number, because the mean of its divisors is an integer number (54957372).

Almost surely, 2^549303945 is an apocalyptic number.

It is an amenable number.

549303945 is a deficient number, since it is larger than the sum of its proper divisors (330014007).

549303945 is a wasteful number, since it uses less digits than its factorization.

549303945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17992.

The product of its (nonzero) digits is 291600, while the sum is 42.

The square root of 549303945 is about 23437.2341584923. The cubic root of 549303945 is about 818.9754927733.

The spelling of 549303945 in words is "five hundred forty-nine million, three hundred three thousand, nine hundred forty-five".