5648551 has 4 divisors (see below), whose sum is σ = 5655832. Its totient is φ = 5641272.

The previous prime is 5648527. The next prime is 5648561. The reversal of 5648551 is 1558465.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5648551 - 2⁵ = 5648519 is a prime.

It is a super-2 number, since 2×5648551² = 63812256799202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5648561) 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, 2316 + ... + 4081.

It is an arithmetic number, because the mean of its divisors is an integer number (1413958).

Almost surely, 2^5648551 is an apocalyptic number.

5648551 is a deficient number, since it is larger than the sum of its proper divisors (7281).

5648551 is an equidigital number, since it uses as much as digits as its factorization.

5648551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280.

The product of its digits is 24000, while the sum is 34.

The square root of 5648551 is about 2376.6680458154. The cubic root of 5648551 is about 178.0925222822.

The spelling of 5648551 in words is "five million, six hundred forty-eight thousand, five hundred fifty-one".