55113863 has 4 divisors (see below), whose sum is σ = 62987280. Its totient is φ = 47240448.

The previous prime is 55113823. The next prime is 55113869. The reversal of 55113863 is 36831155.

55113863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55113863 - 2¹⁴ = 55097479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55113869) 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 3 ways as a sum of consecutive naturals, for example, 3936698 + ... + 3936711.

It is an arithmetic number, because the mean of its divisors is an integer number (15746820).

Almost surely, 2^55113863 is an apocalyptic number.

55113863 is a deficient number, since it is larger than the sum of its proper divisors (7873417).

55113863 is an equidigital number, since it uses as much as digits as its factorization.

55113863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7873416.

The product of its digits is 10800, while the sum is 32.

The square root of 55113863 is about 7423.8711599812. The cubic root of 55113863 is about 380.5574988667.

The spelling of 55113863 in words is "fifty-five million, one hundred thirteen thousand, eight hundred sixty-three".