549438754 has 12 divisors (see below), whose sum is σ = 835944822. Its totient is φ = 270845120.

The previous prime is 549438737. The next prime is 549438779. The reversal of 549438754 is 457834945.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 493861729 + 55577025 = 22223^2 + 7455^2 .

It is a junction number, because it is equal to n+sod(n) for n = 549438698 and 549438707.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17167 + ... + 37330.

Almost surely, 2^549438754 is an apocalyptic number.

549438754 is a deficient number, since it is larger than the sum of its proper divisors (286506068).

549438754 is an equidigital number, since it uses as much as digits as its factorization.

549438754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54641 (or 54570 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 49.

The square root of 549438754 is about 23440.1099400152. The cubic root of 549438754 is about 819.0424843649.

The spelling of 549438754 in words is "five hundred forty-nine million, four hundred thirty-eight thousand, seven hundred fifty-four".