5549621 has 8 divisors (see below), whose sum is σ = 6919104. Its totient is φ = 4324320.

The previous prime is 5549617. The next prime is 5549657. The reversal of 5549621 is 1269455.

It is a happy number.

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

It is not a de Polignac number, because 5549621 - 2² = 5549617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5549611) 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, 35960 + ... + 36113.

It is an arithmetic number, because the mean of its divisors is an integer number (864888).

Almost surely, 2^5549621 is an apocalyptic number.

It is an amenable number.

5549621 is a deficient number, since it is larger than the sum of its proper divisors (1369483).

5549621 is a wasteful number, since it uses less digits than its factorization.

5549621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72091.

The product of its digits is 10800, while the sum is 32.

The square root of 5549621 is about 2355.7633582344. The cubic root of 5549621 is about 177.0466749985.

The spelling of 5549621 in words is "five million, five hundred forty-nine thousand, six hundred twenty-one".