55810841 has 2 divisors, whose sum is σ = 55810842. Its totient is φ = 55810840.

The previous prime is 55810829. The next prime is 55810889. The reversal of 55810841 is 14801855.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55071241 + 739600 = 7421^2 + 860^2 .

It is a cyclic number.

It is not a de Polignac number, because 55810841 - 2¹⁴ = 55794457 is a prime.

It is a super-2 number, since 2×55810841² = 6229699946254562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55810798 and 55810807.

It is not a weakly prime, because it can be changed into another prime (55810141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27905420 + 27905421.

It is an arithmetic number, because the mean of its divisors is an integer number (27905421).

Almost surely, 2^55810841 is an apocalyptic number.

It is an amenable number.

55810841 is a deficient number, since it is larger than the sum of its proper divisors (1).

55810841 is an equidigital number, since it uses as much as digits as its factorization.

55810841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 55810841 is about 7470.6653652804. The cubic root of 55810841 is about 382.1549790098.

The spelling of 55810841 in words is "fifty-five million, eight hundred ten thousand, eight hundred forty-one".