5561928 has 24 divisors (see below), whose sum is σ = 15063750. Its totient is φ = 1853952.

The previous prime is 5561917. The next prime is 5561947. The reversal of 5561928 is 8291655.

It is a happy number.

5561928 is a `hidden beast` number, since 5 + 561 + 92 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5560164 + 1764 = 2358^2 + 42^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5561892 and 5561901.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 38553 + ... + 38696.

Almost surely, 2^5561928 is an apocalyptic number.

It is an amenable number.

5561928 is an abundant number, since it is smaller than the sum of its proper divisors (9501822).

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

5561928 is a wasteful number, since it uses less digits than its factorization.

5561928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77261 (or 77254 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 5561928 is about 2358.3740161391. The cubic root of 5561928 is about 177.1774529824.

The spelling of 5561928 in words is "five million, five hundred sixty-one thousand, nine hundred twenty-eight".