5509501 has 4 divisors (see below), whose sum is σ = 5532604. Its totient is φ = 5486400.

The previous prime is 5509453. The next prime is 5509549. The reversal of 5509501 is 1059055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1059055 = 5 ⋅211811.

It is an interprime number because it is at equal distance from previous prime (5509453) and next prime (5509549).

It can be written as a sum of positive squares in 2 ways, for example, as 4726276 + 783225 = 2174^2 + 885^2 .

It is a cyclic number.

It is not a de Polignac number, because 5509501 - 2¹⁹ = 4985213 is a prime.

It is a Duffinian number.

5509501 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5509561) 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 3 ways as a sum of consecutive naturals, for example, 11190 + ... + 11671.

It is an arithmetic number, because the mean of its divisors is an integer number (1383151).

Almost surely, 2^5509501 is an apocalyptic number.

It is an amenable number.

5509501 is a deficient number, since it is larger than the sum of its proper divisors (23103).

5509501 is a wasteful number, since it uses less digits than its factorization.

5509501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23102.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 5509501 is about 2347.2326258810. The cubic root of 5509501 is about 176.6190002331.

The spelling of 5509501 in words is "five million, five hundred nine thousand, five hundred one".