55663113 has 16 divisors (see below), whose sum is σ = 82849536. Its totient is φ = 32949840.

The previous prime is 55663109. The next prime is 55663121. The reversal of 55663113 is 31136655.

It is not a de Polignac number, because 55663113 - 2² = 55663109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55663183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18195 + ... + 21032.

It is an arithmetic number, because the mean of its divisors is an integer number (5178096).

Almost surely, 2^55663113 is an apocalyptic number.

It is an amenable number.

55663113 is a deficient number, since it is larger than the sum of its proper divisors (27186423).

55663113 is a wasteful number, since it uses less digits than its factorization.

55663113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39284.

The product of its digits is 8100, while the sum is 30.

The square root of 55663113 is about 7460.7716088887. The cubic root of 55663113 is about 381.8175005193.

Adding to 55663113 its reverse (31136655), we get a palindrome (86799768).

The spelling of 55663113 in words is "fifty-five million, six hundred sixty-three thousand, one hundred thirteen".