549849433 has 6 divisors (see below), whose sum is σ = 639620826. Its totient is φ = 471299472.

The previous prime is 549849407. The next prime is 549849467. The reversal of 549849433 is 334948945.

It can be written as a sum of positive squares in only one way, i.e., 338670409 + 211179024 = 18403^2 + 14532^2 .

It is a de Polignac number, because none of the positive numbers 2^k-549849433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 11221417 = 549849433 / (5 + 4 + 9 + 8 + 4 + 9 + 4 + 3 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549849133) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 5610660 + ... + 5610757.

It is an arithmetic number, because the mean of its divisors is an integer number (106603471).

Almost surely, 2^549849433 is an apocalyptic number.

It is an amenable number.

549849433 is a deficient number, since it is larger than the sum of its proper divisors (89771393).

549849433 is a wasteful number, since it uses less digits than its factorization.

549849433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11221431 (or 11221424 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 49.

The square root of 549849433 is about 23448.8684801634. The cubic root of 549849433 is about 819.2464984766.

The spelling of 549849433 in words is "five hundred forty-nine million, eight hundred forty-nine thousand, four hundred thirty-three".