5542521 has 16 divisors (see below), whose sum is σ = 7761408. Its totient is φ = 3513600.

The previous prime is 5542513. The next prime is 5542529. The reversal of 5542521 is 1252455.

It is a happy number.

5542521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5542513) and next prime (5542529).

It is not a de Polignac number, because 5542521 - 2³ = 5542513 is a prime.

5542521 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5542491 and 5542500.

It is not an unprimeable number, because it can be changed into a prime (5542529) 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 15 ways as a sum of consecutive naturals, for example, 5185 + ... + 6161.

It is an arithmetic number, because the mean of its divisors is an integer number (485088).

Almost surely, 2^5542521 is an apocalyptic number.

It is an amenable number.

5542521 is a deficient number, since it is larger than the sum of its proper divisors (2218887).

5542521 is a wasteful number, since it uses less digits than its factorization.

5542521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072.

The product of its digits is 2000, while the sum is 24.

The square root of 5542521 is about 2354.2559334108. The cubic root of 5542521 is about 176.9711402403.

Adding to 5542521 its reverse (1252455), we get a palindrome (6794976).

The spelling of 5542521 in words is "five million, five hundred forty-two thousand, five hundred twenty-one".