549061087 has 4 divisors (see below), whose sum is σ = 581358816. Its totient is φ = 516763360.

The previous prime is 549061081. The next prime is 549061091. The reversal of 549061087 is 780160945.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 549061087 - 2¹¹ = 549059039 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549061081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16148839 + ... + 16148872.

It is an arithmetic number, because the mean of its divisors is an integer number (145339704).

Almost surely, 2^549061087 is an apocalyptic number.

549061087 is a deficient number, since it is larger than the sum of its proper divisors (32297729).

549061087 is a wasteful number, since it uses less digits than its factorization.

549061087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32297728.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 549061087 is about 23432.0525562743. The cubic root of 549061087 is about 818.8547799627.

The spelling of 549061087 in words is "five hundred forty-nine million, sixty-one thousand, eighty-seven".