549727945 has 16 divisors (see below), whose sum is σ = 741307392. Its totient is φ = 388301760.

The previous prime is 549727897. The next prime is 549727967.

549727945 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-549727945 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 549727892 and 549727901.

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, 182361 + ... + 185350.

It is an arithmetic number, because the mean of its divisors is an integer number (46331712).

Almost surely, 2^549727945 is an apocalyptic number.

It is an amenable number.

549727945 is a deficient number, since it is larger than the sum of its proper divisors (191579447).

549727945 is a wasteful number, since it uses less digits than its factorization.

549727945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367752.

The product of its digits is 3175200, while the sum is 52.

The square root of 549727945 is about 23446.2778495863. The cubic root of 549727945 is about 819.1861571397.

The spelling of 549727945 in words is "five hundred forty-nine million, seven hundred twenty-seven thousand, nine hundred forty-five".