5509642 has 8 divisors (see below), whose sum is σ = 8400132. Its totient is φ = 2709600.

The previous prime is 5509631. The next prime is 5509643. The reversal of 5509642 is 2469055.

It can be written as a sum of positive squares in 2 ways, for example, as 5340721 + 168921 = 2311^2 + 411^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5509643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22459 + ... + 22702.

Almost surely, 2^5509642 is an apocalyptic number.

5509642 is a deficient number, since it is larger than the sum of its proper divisors (2890490).

5509642 is a wasteful number, since it uses less digits than its factorization.

5509642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45224.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 5509642 is about 2347.2626610586. The cubic root of 5509642 is about 176.6205069072.

The spelling of 5509642 in words is "five million, five hundred nine thousand, six hundred forty-two".