55115700200 has 96 divisors (see below), whose sum is σ = 140326464960. Its totient is φ = 19965657600.

The previous prime is 55115700173. The next prime is 55115700217. The reversal of 55115700200 is 200751155.

It is a happy number.

It is a super-3 number, since 3×55115700200³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55115700200.

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, 530972 + ... + 626228.

It is an arithmetic number, because the mean of its divisors is an integer number (1461734010).

Almost surely, 2^55115700200 is an apocalyptic number.

55115700200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55115700200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70163232480).

55115700200 is an abundant number, since it is smaller than the sum of its proper divisors (85210764760).

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

55115700200 is a wasteful number, since it uses less digits than its factorization.

55115700200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95547 (or 95538 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 26.

It can be divided in two parts, 551 and 15700200, that added together give a palindrome (15700751).

The spelling of 55115700200 in words is "fifty-five billion, one hundred fifteen million, seven hundred thousand, two hundred".