550015544000 has 224 divisors, whose sum is σ = 1477636969536. Its totient is φ = 201595084800.

The previous prime is 550015543981. The next prime is 550015544017. The reversal of 550015544000 is 445510055.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14228699 + ... + 14267301.

It is an arithmetic number, because the mean of its divisors is an integer number (6596593614).

Almost surely, 2^550015544000 is an apocalyptic number.

550015544000 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 550015544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738818484768).

550015544000 is an abundant number, since it is smaller than the sum of its proper divisors (927621425536).

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

550015544000 is a wasteful number, since it uses less digits than its factorization.

550015544000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38780 (or 38760 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The spelling of 550015544000 in words is "five hundred fifty billion, fifteen million, five hundred forty-four thousand".