55159013 has 16 divisors (see below), whose sum is σ = 70081536. Its totient is φ = 42232320.

The previous prime is 55159009. The next prime is 55159031. The reversal of 55159013 is 31095155.

It is a happy number.

55159013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55159013 - 2² = 55159009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55159043) 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 in 15 ways as a sum of consecutive naturals, for example, 6956 + ... + 12597.

It is an arithmetic number, because the mean of its divisors is an integer number (4380096).

Almost surely, 2^55159013 is an apocalyptic number.

It is an amenable number.

55159013 is a deficient number, since it is larger than the sum of its proper divisors (14922523).

55159013 is a wasteful number, since it uses less digits than its factorization.

55159013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19604.

The product of its (nonzero) digits is 3375, while the sum is 29.

The square root of 55159013 is about 7426.9114038071. The cubic root of 55159013 is about 380.6613897350.

The spelling of 55159013 in words is "fifty-five million, one hundred fifty-nine thousand, thirteen".