55841801 has 2 divisors, whose sum is σ = 55841802. Its totient is φ = 55841800.

The previous prime is 55841771. The next prime is 55841809. The reversal of 55841801 is 10814855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35093776 + 20748025 = 5924^2 + 4555^2 .

It is a cyclic number.

It is not a de Polignac number, because 55841801 - 2¹⁰ = 55840777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55841809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27920900 + 27920901.

It is an arithmetic number, because the mean of its divisors is an integer number (27920901).

Almost surely, 2^55841801 is an apocalyptic number.

It is an amenable number.

55841801 is a deficient number, since it is larger than the sum of its proper divisors (1).

55841801 is an equidigital number, since it uses as much as digits as its factorization.

55841801 is an odious number, because the sum of its binary digits is odd.

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

The square root of 55841801 is about 7472.7371825858. The cubic root of 55841801 is about 382.2256303435.

The spelling of 55841801 in words is "fifty-five million, eight hundred forty-one thousand, eight hundred one".