5665554 has 24 divisors (see below), whose sum is σ = 12357072. Its totient is φ = 1875960.

The previous prime is 5665549. The next prime is 5665559. The reversal of 5665554 is 4555665.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5665549) and next prime (5665559).

It is not an unprimeable number, because it can be changed into a prime (5665559) 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 11 ways as a sum of consecutive naturals, for example, 1969 + ... + 3899.

It is an arithmetic number, because the mean of its divisors is an integer number (514878).

Almost surely, 2^5665554 is an apocalyptic number.

5665554 is an abundant number, since it is smaller than the sum of its proper divisors (6691518).

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

5665554 is a wasteful number, since it uses less digits than its factorization.

5665554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102 (or 2099 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 5665554 is about 2380.2424246282. The cubic root of 5665554 is about 178.2710384995.

The spelling of 5665554 in words is "five million, six hundred sixty-five thousand, five hundred fifty-four".