549877546 has 16 divisors (see below), whose sum is σ = 887655240. Its totient is φ = 254522880.

The previous prime is 549877543. The next prime is 549877547. The reversal of 549877546 is 645778945.

It can be written as a sum of positive squares in 4 ways, for example, as 468246321 + 81631225 = 21639^2 + 9035^2 .

It is not an unprimeable number, because it can be changed into a prime (549877543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130491 + ... + 134638.

Almost surely, 2^549877546 is an apocalyptic number.

549877546 is a deficient number, since it is larger than the sum of its proper divisors (337777694).

549877546 is a wasteful number, since it uses less digits than its factorization.

549877546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265209.

The product of its digits is 8467200, while the sum is 55.

The square root of 549877546 is about 23449.4679257334. The cubic root of 549877546 is about 819.2604605318.

The spelling of 549877546 in words is "five hundred forty-nine million, eight hundred seventy-seven thousand, five hundred forty-six".