55328841 has 12 divisors (see below), whose sum is σ = 80430532. Its totient is φ = 36650016.

The previous prime is 55328837. The next prime is 55328849. The reversal of 55328841 is 14882355.

It is a happy number.

55328841 is a `hidden beast` number, since 5 + 532 + 88 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32490000 + 22838841 = 5700^2 + 4779^2 .

It is not a de Polignac number, because 55328841 - 2² = 55328837 is a prime.

It is a super-2 number, since 2×55328841² = 6122561292806562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55328796 and 55328805.

It is not an unprimeable number, because it can be changed into a prime (55328849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18166 + ... + 20991.

Almost surely, 2^55328841 is an apocalyptic number.

It is an amenable number.

55328841 is a deficient number, since it is larger than the sum of its proper divisors (25101691).

55328841 is a wasteful number, since it uses less digits than its factorization.

55328841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39320 (or 39317 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 55328841 is about 7438.3359026062. The cubic root of 55328841 is about 381.0516597651.

It can be divided in two parts, 55328 and 841, that added together give a square (56169 = 237²).

The spelling of 55328841 in words is "fifty-five million, three hundred twenty-eight thousand, eight hundred forty-one".