5499921 has 32 divisors (see below), whose sum is σ = 8939520. Its totient is φ = 2939904.

The previous prime is 5499919. The next prime is 5499929. The reversal of 5499921 is 1299945.

It is not a de Polignac number, because 5499921 - 2¹ = 5499919 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5499921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5499929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28401 + ... + 28593.

It is an arithmetic number, because the mean of its divisors is an integer number (279360).

Almost surely, 2^5499921 is an apocalyptic number.

It is an amenable number.

5499921 is a deficient number, since it is larger than the sum of its proper divisors (3439599).

5499921 is a wasteful number, since it uses less digits than its factorization.

5499921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285.

The product of its digits is 29160, while the sum is 39.

The square root of 5499921 is about 2345.1910369946. The cubic root of 5499921 is about 176.5165716183.

The spelling of 5499921 in words is "five million, four hundred ninety-nine thousand, nine hundred twenty-one".