50497171200 has 864 divisors, whose sum is σ = 214119628800. Its totient is φ = 11406458880.

The previous prime is 50497171157. The next prime is 50497171201. The reversal of 50497171200 is 217179405.

It is a happy number.

50497171200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (864).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50497171201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 131846209 + ... + 131846591.

Almost surely, 2^50497171200 is an apocalyptic number.

50497171200 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 50497171200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107059814400).

50497171200 is an abundant number, since it is smaller than the sum of its proper divisors (163622457600).

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

50497171200 is a wasteful number, since it uses less digits than its factorization.

50497171200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The spelling of 50497171200 in words is "fifty billion, four hundred ninety-seven million, one hundred seventy-one thousand, two hundred".