55103033100 has 36 divisors (see below), whose sum is σ = 159431443304. Its totient is φ = 14694142080.

The previous prime is 55103033087. The next prime is 55103033101. The reversal of 55103033100 is 133030155.

It is a happy number.

It is a super-2 number, since 2×55103033100² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55103033101) 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 11 ways as a sum of consecutive naturals, for example, 91838089 + ... + 91838688.

Almost surely, 2^55103033100 is an apocalyptic number.

55103033100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55103033100 is an abundant number, since it is smaller than the sum of its proper divisors (104328410204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55103033100 is a wasteful number, since it uses less digits than its factorization.

55103033100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183676794 (or 183676787 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 21.

Adding to 55103033100 its reverse (133030155), we get a palindrome (55236063255).

The spelling of 55103033100 in words is "fifty-five billion, one hundred three million, thirty-three thousand, one hundred".