55451303103 has 192 divisors, whose sum is σ = 100198010880. Its totient is φ = 26998272000.

The previous prime is 55451303081. The next prime is 55451303107. The reversal of 55451303103 is 30130315455.

It is not a de Polignac number, because 55451303103 - 2⁹ = 55451302591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55451303107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 148662825 + ... + 148663197.

It is an arithmetic number, because the mean of its divisors is an integer number (521864640).

Almost surely, 2^55451303103 is an apocalyptic number.

55451303103 is a deficient number, since it is larger than the sum of its proper divisors (44746707777).

55451303103 is a wasteful number, since it uses less digits than its factorization.

55451303103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 55451303103 its reverse (30130315455), we get a palindrome (85581618558).

The spelling of 55451303103 in words is "fifty-five billion, four hundred fifty-one million, three hundred three thousand, one hundred three".