55259783 has 2 divisors, whose sum is σ = 55259784. Its totient is φ = 55259782.

The previous prime is 55259753. The next prime is 55259801. The reversal of 55259783 is 38795255.

55259783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55259783 - 2¹² = 55255687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55259723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27629891 + 27629892.

It is an arithmetic number, because the mean of its divisors is an integer number (27629892).

Almost surely, 2^55259783 is an apocalyptic number.

55259783 is a deficient number, since it is larger than the sum of its proper divisors (1).

55259783 is an equidigital number, since it uses as much as digits as its factorization.

55259783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 44.

The square root of 55259783 is about 7433.6924203252. The cubic root of 55259783 is about 380.8930588092.

The spelling of 55259783 in words is "fifty-five million, two hundred fifty-nine thousand, seven hundred eighty-three".