50981652000 has 576 divisors, whose sum is σ = 191339366400. Its totient is φ = 12834662400.

The previous prime is 50981651983. The next prime is 50981652013. The reversal of 50981652000 is 25618905.

It is a happy number.

50981652000 is a `hidden beast` number, since 50 + 9 + 81 + 6 + 520 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49067481 + ... + 49068519.

It is an arithmetic number, because the mean of its divisors is an integer number (332186400).

Almost surely, 2^50981652000 is an apocalyptic number.

50981652000 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 50981652000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95669683200).

50981652000 is an abundant number, since it is smaller than the sum of its proper divisors (140357714400).

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

50981652000 is a wasteful number, since it uses less digits than its factorization.

50981652000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 50981652000 in words is "fifty billion, nine hundred eighty-one million, six hundred fifty-two thousand".