55113202303 has 4 divisors (see below), whose sum is σ = 55935787480. Its totient is φ = 54290617128.

The previous prime is 55113202253. The next prime is 55113202351. The reversal of 55113202303 is 30320231155.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55113202303 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 (55113202363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411292488 + ... + 411292621.

It is an arithmetic number, because the mean of its divisors is an integer number (13983946870).

Almost surely, 2^55113202303 is an apocalyptic number.

55113202303 is a deficient number, since it is larger than the sum of its proper divisors (822585177).

55113202303 is an equidigital number, since it uses as much as digits as its factorization.

55113202303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822585176.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 55113202303 its reverse (30320231155), we get a palindrome (85433433458).

The spelling of 55113202303 in words is "fifty-five billion, one hundred thirteen million, two hundred two thousand, three hundred three".