55115213300 has 72 divisors (see below), whose sum is σ = 143879749440. Its totient is φ = 17902080000.

The previous prime is 55115213297. The next prime is 55115213323. The reversal of 55115213300 is 331251155.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55115213300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2058701 + ... + 2085300.

Almost surely, 2^55115213300 is an apocalyptic number.

55115213300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55115213300 is an abundant number, since it is smaller than the sum of its proper divisors (88764536140).

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

55115213300 is a wasteful number, since it uses less digits than its factorization.

55115213300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144041 (or 4144034 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 55115213300 its reverse (331251155), we get a palindrome (55446464455).

The spelling of 55115213300 in words is "fifty-five billion, one hundred fifteen million, two hundred thirteen thousand, three hundred".