5648557 has 4 divisors (see below), whose sum is σ = 5662396. Its totient is φ = 5634720.

The previous prime is 5648527. The next prime is 5648561. The reversal of 5648557 is 7558465.

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

It can be written as a sum of positive squares in 2 ways, for example, as 715716 + 4932841 = 846^2 + 2221^2 .

It is a cyclic number.

It is not a de Polignac number, because 5648557 - 2⁷ = 5648429 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5648527) 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, 6288 + ... + 7129.

It is an arithmetic number, because the mean of its divisors is an integer number (1415599).

Almost surely, 2^5648557 is an apocalyptic number.

It is an amenable number.

5648557 is a deficient number, since it is larger than the sum of its proper divisors (13839).

5648557 is a wasteful number, since it uses less digits than its factorization.

5648557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13838.

The product of its digits is 168000, while the sum is 40.

The square root of 5648557 is about 2376.6693080864. The cubic root of 5648557 is about 178.0925853400.

The spelling of 5648557 in words is "five million, six hundred forty-eight thousand, five hundred fifty-seven".