50171160400 has 120 divisors (see below), whose sum is σ = 126685016640. Its totient is φ = 19057336320.

The previous prime is 50171160397. The next prime is 50171160401. The reversal of 50171160400 is 406117105.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50171160401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1259184 + ... + 1298416.

It is an arithmetic number, because the mean of its divisors is an integer number (1055708472).

Almost surely, 2^50171160400 is an apocalyptic number.

50171160400 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 50171160400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63342508320).

50171160400 is an abundant number, since it is smaller than the sum of its proper divisors (76513856240).

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

50171160400 is a wasteful number, since it uses less digits than its factorization.

50171160400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39413 (or 39402 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

Adding to 50171160400 its reverse (406117105), we get a palindrome (50577277505).

The spelling of 50171160400 in words is "fifty billion, one hundred seventy-one million, one hundred sixty thousand, four hundred".