5536921 has 8 divisors (see below), whose sum is σ = 6023304. Its totient is φ = 5059200.

The previous prime is 5536907. The next prime is 5536931. The reversal of 5536921 is 1296355.

It can be written as a sum of positive squares in 4 ways, for example, as 2368521 + 3168400 = 1539^2 + 1780^2 .

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 5536921 - 2⁵ = 5536889 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5536901) 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, 796 + ... + 3421.

It is an arithmetic number, because the mean of its divisors is an integer number (752913).

Almost surely, 2^5536921 is an apocalyptic number.

It is an amenable number.

5536921 is a deficient number, since it is larger than the sum of its proper divisors (486383).

5536921 is a wasteful number, since it uses less digits than its factorization.

5536921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331.

The product of its digits is 8100, while the sum is 31.

The square root of 5536921 is about 2353.0662974086. The cubic root of 5536921 is about 176.9115180127.

The spelling of 5536921 in words is "five million, five hundred thirty-six thousand, nine hundred twenty-one".