55013320259 has 4 divisors (see below), whose sum is σ = 56355108600. Its totient is φ = 53671531920.

The previous prime is 55013320231. The next prime is 55013320261. The reversal of 55013320259 is 95202331055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55013320259 - 2²⁰ = 55012271683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55013320279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670894109 + ... + 670894190.

It is an arithmetic number, because the mean of its divisors is an integer number (14088777150).

Almost surely, 2^55013320259 is an apocalyptic number.

55013320259 is a deficient number, since it is larger than the sum of its proper divisors (1341788341).

55013320259 is a wasteful number, since it uses less digits than its factorization.

55013320259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341788340.

The product of its (nonzero) digits is 40500, while the sum is 35.

The spelling of 55013320259 in words is "fifty-five billion, thirteen million, three hundred twenty thousand, two hundred fifty-nine".