50000080 has 80 divisors (see below), whose sum is σ = 126491904. Its totient is φ = 18270720.

The previous prime is 50000063. The next prime is 50000101. The reversal of 50000080 is 8000005.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a self number, because there is not a number n which added to its sum of digits gives 50000080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136057 + ... + 136423.

Almost surely, 2^50000080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50000080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63245952).

50000080 is an abundant number, since it is smaller than the sum of its proper divisors (76491824).

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

50000080 is a wasteful number, since it uses less digits than its factorization.

50000080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 50000080 is about 7071.0734687175. The cubic root of 50000080 is about 368.4033463456.

Adding to 50000080 its reverse (8000005), we get a palindrome (58000085).

The spelling of 50000080 in words is "fifty million, eighty", and thus it is an aban number and an uban number.