549037808 has 20 divisors (see below), whose sum is σ = 1160466648. Its totient is φ = 249562560.

The previous prime is 549037799. The next prime is 549037823. The reversal of 549037808 is 808730945.

It is a super-2 number, since 2×549037808² = 602885029226889728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1559591 + ... + 1559942.

Almost surely, 2^549037808 is an apocalyptic number.

It is an amenable number.

549037808 is an abundant number, since it is smaller than the sum of its proper divisors (611428840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549037808 is a wasteful number, since it uses less digits than its factorization.

549037808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119552 (or 3119546 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 549037808 is about 23431.5558168893. Note that the first 3 decimals coincide. The cubic root of 549037808 is about 818.8432072432.

The spelling of 549037808 in words is "five hundred forty-nine million, thirty-seven thousand, eight hundred eight".