50709731800 has 576 divisors, whose sum is σ = 159629783040. Its totient is φ = 14570496000.

The previous prime is 50709731771. The next prime is 50709731837. The reversal of 50709731800 is 813790705.

50709731800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 163053645 + ... + 163053955.

It is an arithmetic number, because the mean of its divisors is an integer number (277135040).

Almost surely, 2^50709731800 is an apocalyptic number.

50709731800 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 50709731800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79814891520).

50709731800 is an abundant number, since it is smaller than the sum of its proper divisors (108920051240).

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

50709731800 is a wasteful number, since it uses less digits than its factorization.

50709731800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 40.

The spelling of 50709731800 in words is "fifty billion, seven hundred nine million, seven hundred thirty-one thousand, eight hundred".