55242833 has 2 divisors, whose sum is σ = 55242834. Its totient is φ = 55242832.

The previous prime is 55242827. The next prime is 55242851. The reversal of 55242833 is 33824255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38539264 + 16703569 = 6208^2 + 4087^2 .

It is a cyclic number.

It is not a de Polignac number, because 55242833 - 2⁶ = 55242769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55242833.

It is not a weakly prime, because it can be changed into another prime (55242853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27621416 + 27621417.

It is an arithmetic number, because the mean of its divisors is an integer number (27621417).

Almost surely, 2^55242833 is an apocalyptic number.

It is an amenable number.

55242833 is a deficient number, since it is larger than the sum of its proper divisors (1).

55242833 is an equidigital number, since it uses as much as digits as its factorization.

55242833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 32.

The square root of 55242833 is about 7432.5522534322. The cubic root of 55242833 is about 380.8541106676.

The spelling of 55242833 in words is "fifty-five million, two hundred forty-two thousand, eight hundred thirty-three".