55244801 has 2 divisors, whose sum is σ = 55244802. Its totient is φ = 55244800.

The previous prime is 55244773. The next prime is 55244803. The reversal of 55244801 is 10844255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53217025 + 2027776 = 7295^2 + 1424^2 .

It is a cyclic number.

It is not a de Polignac number, because 55244801 - 2¹⁴ = 55228417 is a prime.

Together with 55244803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55244803) 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 as a sum of consecutive naturals, namely, 27622400 + 27622401.

It is an arithmetic number, because the mean of its divisors is an integer number (27622401).

Almost surely, 2^55244801 is an apocalyptic number.

It is an amenable number.

55244801 is a deficient number, since it is larger than the sum of its proper divisors (1).

55244801 is an equidigital number, since it uses as much as digits as its factorization.

55244801 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 29.

The square root of 55244801 is about 7432.6846428461. The cubic root of 55244801 is about 380.8586331968.

The spelling of 55244801 in words is "fifty-five million, two hundred forty-four thousand, eight hundred one".