55495887603200 has 720 divisors, whose sum is σ = 159870025975968. Its totient is φ = 19037601792000.

The previous prime is 55495887603157. The next prime is 55495887603209. The reversal of 55495887603200 is 230678859455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55495887603209) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2600424530 + ... + 2600445870.

Almost surely, 2^{55495887603200} is an apocalyptic number.

55495887603200 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 55495887603200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79935012987984).

55495887603200 is an abundant number, since it is smaller than the sum of its proper divisors (104374138372768).

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

55495887603200 is a wasteful number, since it uses less digits than its factorization.

55495887603200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21487 (or 21455 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 62.

The spelling of 55495887603200 in words is "fifty-five trillion, four hundred ninety-five billion, eight hundred eighty-seven million, six hundred three thousand, two hundred".