50039861800 has 96 divisors (see below), whose sum is σ = 117049260600. Its totient is φ = 19894784000.

The previous prime is 50039861761. The next prime is 50039861813. The reversal of 50039861800 is 816893005.

It is a happy number.

50039861800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 192155044 + 49847706756 = 13862^2 + 223266^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29279346 + ... + 29281054.

Almost surely, 2^50039861800 is an apocalyptic number.

50039861800 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 50039861800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58524630300).

50039861800 is an abundant number, since it is smaller than the sum of its proper divisors (67009398800).

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

50039861800 is a wasteful number, since it uses less digits than its factorization.

50039861800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527 (or 2518 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 50039861800 in words is "fifty billion, thirty-nine million, eight hundred sixty-one thousand, eight hundred".