5554721 has 8 divisors (see below), whose sum is σ = 5786088. Its totient is φ = 5328000.

The previous prime is 5554663. The next prime is 5554729. The reversal of 5554721 is 1274555.

It can be written as a sum of positive squares in 4 ways, for example, as 55696 + 5499025 = 236^2 + 2345^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5554721 - 2¹⁸ = 5292577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5554729) 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, 1391 + ... + 3611.

It is an arithmetic number, because the mean of its divisors is an integer number (723261).

Almost surely, 2^5554721 is an apocalyptic number.

It is an amenable number.

5554721 is a deficient number, since it is larger than the sum of its proper divisors (231367).

5554721 is a wasteful number, since it uses less digits than its factorization.

5554721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323.

The product of its digits is 7000, while the sum is 29.

The square root of 5554721 is about 2356.8455613383. The cubic root of 5554721 is about 177.1008926102.

The spelling of 5554721 in words is "five million, five hundred fifty-four thousand, seven hundred twenty-one".