549805087 has 8 divisors (see below), whose sum is σ = 617841504. Its totient is φ = 485446368.

The previous prime is 549805063. The next prime is 549805097. The reversal of 549805087 is 780508945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-549805087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549805097) 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, 919108 + ... + 919705.

It is an arithmetic number, because the mean of its divisors is an integer number (77230188).

Almost surely, 2^549805087 is an apocalyptic number.

549805087 is a deficient number, since it is larger than the sum of its proper divisors (68036417).

549805087 is a wasteful number, since it uses less digits than its factorization.

549805087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838849.

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 549805087 is about 23447.9228717599. The cubic root of 549805087 is about 819.2244734883.

The spelling of 549805087 in words is "five hundred forty-nine million, eight hundred five thousand, eighty-seven".