50191680 has 336 divisors, whose sum is σ = 204313536. Its totient is φ = 10321920.

The previous prime is 50191679. The next prime is 50191751. The reversal of 50191680 is 8619105.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 517392 + ... + 517488.

It is an arithmetic number, because the mean of its divisors is an integer number (608076).

Almost surely, 2^50191680 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 50191680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102156768).

50191680 is an abundant number, since it is smaller than the sum of its proper divisors (154121856).

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

50191680 is a wasteful number, since it uses less digits than its factorization.

50191680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 50191680 is about 7084.6086695032. The cubic root of 50191680 is about 368.8733196657.

The spelling of 50191680 in words is "fifty million, one hundred ninety-one thousand, six hundred eighty".