5456521 has 8 divisors (see below), whose sum is σ = 6258240. Its totient is φ = 4660368.

The previous prime is 5456513. The next prime is 5456533. The reversal of 5456521 is 1256545.

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 5456521 - 2³ = 5456513 is a prime.

It is an alternating number because its digits alternate between odd and even.

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 5456521.

It is not an unprimeable number, because it can be changed into a prime (5456551) 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, 990 + ... + 3448.

It is an arithmetic number, because the mean of its divisors is an integer number (782280).

Almost surely, 2^5456521 is an apocalyptic number.

It is an amenable number.

5456521 is a deficient number, since it is larger than the sum of its proper divisors (801719).

5456521 is a wasteful number, since it uses less digits than its factorization.

5456521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783.

The product of its digits is 6000, while the sum is 28.

The square root of 5456521 is about 2335.9197332100. The cubic root of 5456521 is about 176.0510462299.

The spelling of 5456521 in words is "five million, four hundred fifty-six thousand, five hundred twenty-one".