5506640 has 40 divisors (see below), whose sum is σ = 13559400. Its totient is φ = 2072576.

The previous prime is 5506619. The next prime is 5506651. The reversal of 5506640 is 466055.

It can be written as a sum of positive squares in 4 ways, for example, as 595984 + 4910656 = 772^2 + 2216^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 665 + ... + 3384.

It is an arithmetic number, because the mean of its divisors is an integer number (338985).

Almost surely, 2^5506640 is an apocalyptic number.

It is an amenable number.

5506640 is an abundant number, since it is smaller than the sum of its proper divisors (8052760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5506640 is a wasteful number, since it uses less digits than its factorization.

5506640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4079 (or 4073 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 5506640 is about 2346.6231056563. The cubic root of 5506640 is about 176.5884230870.

The spelling of 5506640 in words is "five million, five hundred six thousand, six hundred forty".