55323859 has 2 divisors, whose sum is σ = 55323860. Its totient is φ = 55323858.

The previous prime is 55323823. The next prime is 55323869. The reversal of 55323859 is 95832355.

55323859 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 55323859 - 2⁷ = 55323731 is a prime.

It is not a weakly prime, because it can be changed into another prime (55323869) 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, 27661929 + 27661930.

It is an arithmetic number, because the mean of its divisors is an integer number (27661930).

Almost surely, 2^55323859 is an apocalyptic number.

55323859 is a deficient number, since it is larger than the sum of its proper divisors (1).

55323859 is an equidigital number, since it uses as much as digits as its factorization.

55323859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 40.

The square root of 55323859 is about 7438.0010083355. The cubic root of 55323859 is about 381.0402223525.

The spelling of 55323859 in words is "fifty-five million, three hundred twenty-three thousand, eight hundred fifty-nine".