549100487 has 4 divisors (see below), whose sum is σ = 591339000. Its totient is φ = 506861976.

The previous prime is 549100469. The next prime is 549100523. The reversal of 549100487 is 784001945.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784001945 = 5 ⋅156800389.

It is a cyclic number.

It is not a de Polignac number, because 549100487 - 2⁶ = 549100423 is a prime.

It is a super-2 number, since 2×549100487² = 603022689647274338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 549100487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549100687) 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, 21119237 + ... + 21119262.

It is an arithmetic number, because the mean of its divisors is an integer number (147834750).

Almost surely, 2^549100487 is an apocalyptic number.

549100487 is a deficient number, since it is larger than the sum of its proper divisors (42238513).

549100487 is a wasteful number, since it uses less digits than its factorization.

549100487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42238512.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 549100487 is about 23432.8932699315. The cubic root of 549100487 is about 818.8743661906.

The spelling of 549100487 in words is "five hundred forty-nine million, one hundred thousand, four hundred eighty-seven".