55001659 has 2 divisors, whose sum is σ = 55001660. Its totient is φ = 55001658.

The previous prime is 55001627. The next prime is 55001669. The reversal of 55001659 is 95610055.

It is a happy number.

55001659 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 55001659 - 2⁵ = 55001627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55001659.

It is not a weakly prime, because it can be changed into another prime (55001669) 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, 27500829 + 27500830.

It is an arithmetic number, because the mean of its divisors is an integer number (27500830).

Almost surely, 2^55001659 is an apocalyptic number.

55001659 is a deficient number, since it is larger than the sum of its proper divisors (1).

55001659 is an equidigital number, since it uses as much as digits as its factorization.

55001659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 55001659 is about 7416.3103360094. The cubic root of 55001659 is about 380.2990697335.

The spelling of 55001659 in words is "fifty-five million, one thousand, six hundred fifty-nine".