55565113 has 4 divisors (see below), whose sum is σ = 57357568. Its totient is φ = 53772660.

The previous prime is 55565099. The next prime is 55565117. The reversal of 55565113 is 31156555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55565113 - 2⁹ = 55564601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1792423 = 55565113 / (5 + 5 + 5 + 6 + 5 + 1 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55565117) 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, 896181 + ... + 896242.

It is an arithmetic number, because the mean of its divisors is an integer number (14339392).

Almost surely, 2^55565113 is an apocalyptic number.

It is an amenable number.

55565113 is a deficient number, since it is larger than the sum of its proper divisors (1792455).

55565113 is a wasteful number, since it uses less digits than its factorization.

55565113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792454.

The product of its digits is 11250, while the sum is 31.

The square root of 55565113 is about 7454.2010302916. The cubic root of 55565113 is about 381.5932940154.

The spelling of 55565113 in words is "fifty-five million, five hundred sixty-five thousand, one hundred thirteen".