53555312100 has 72 divisors (see below), whose sum is σ = 160296615360. Its totient is φ = 13788951680.

The previous prime is 53555312099. The next prime is 53555312131. The reversal of 53555312100 is 121355535.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3069192 + ... + 3086591.

It is an arithmetic number, because the mean of its divisors is an integer number (2226341880).

Almost surely, 2^53555312100 is an apocalyptic number.

53555312100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53555312100 is an abundant number, since it is smaller than the sum of its proper divisors (106741303260).

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

53555312100 is a wasteful number, since it uses less digits than its factorization.

53555312100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155829 (or 6155822 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 30.

Adding to 53555312100 its reverse (121355535), we get a palindrome (53676667635).

The spelling of 53555312100 in words is "fifty-three billion, five hundred fifty-five million, three hundred twelve thousand, one hundred".