55087967360000 has 440 divisors, whose sum is σ = 144246140009664. Its totient is φ = 20997365760000.

The previous prime is 55087967359993. The next prime is 55087967360003. The reversal of 55087967360000 is 6376978055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55087967360003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1128295589 + ... + 1128344411.

Almost surely, 2^{55087967360000} is an apocalyptic number.

55087967360000 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 55087967360000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72123070004832).

55087967360000 is an abundant number, since it is smaller than the sum of its proper divisors (89158172649664).

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

55087967360000 is an equidigital number, since it uses as much as digits as its factorization.

55087967360000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48947 (or 48914 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 56.

The spelling of 55087967360000 in words is "fifty-five trillion, eighty-seven billion, nine hundred sixty-seven million, three hundred sixty thousand".