55531655716000 has 192 divisors, whose sum is σ = 138423021085440. Its totient is φ = 21890305920000.

The previous prime is 55531655715869. The next prime is 55531655716007. The reversal of 55531655716000 is 61755613555.

It is not an unprimeable number, because it can be changed into a prime (55531655716007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 673322766 + ... + 673405234.

It is an arithmetic number, because the mean of its divisors is an integer number (720953234820).

Almost surely, 2^{55531655716000} is an apocalyptic number.

55531655716000 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 55531655716000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69211510542720).

55531655716000 is an abundant number, since it is smaller than the sum of its proper divisors (82891365369440).

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

55531655716000 is a wasteful number, since it uses less digits than its factorization.

55531655716000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84936 (or 84918 counting only the distinct ones).

The product of its (nonzero) digits is 2362500, while the sum is 49.

The spelling of 55531655716000 in words is "fifty-five trillion, five hundred thirty-one billion, six hundred fifty-five million, seven hundred sixteen thousand".