55633434203 has 4 divisors (see below), whose sum is σ = 55637457120. Its totient is φ = 55629411288.

The previous prime is 55633434191. The next prime is 55633434221. The reversal of 55633434203 is 30243433655.

55633434203 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, and also an emirpimes, since its reverse is a distinct semiprime: 30243433655 = 5 ⋅6048686731.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55633434203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55633434803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1990643 + ... + 2018396.

It is an arithmetic number, because the mean of its divisors is an integer number (13909364280).

Almost surely, 2^55633434203 is an apocalyptic number.

55633434203 is a deficient number, since it is larger than the sum of its proper divisors (4022917).

55633434203 is a wasteful number, since it uses less digits than its factorization.

55633434203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022916.

The product of its (nonzero) digits is 388800, while the sum is 38.

Adding to 55633434203 its reverse (30243433655), we get a palindrome (85876867858).

The spelling of 55633434203 in words is "fifty-five billion, six hundred thirty-three million, four hundred thirty-four thousand, two hundred three".