50389976 has 64 divisors (see below), whose sum is σ = 122438400. Its totient is φ = 18880128.

The previous prime is 50389961. The next prime is 50389979. The reversal of 50389976 is 67998305.

It is a self number, because there is not a number n which added to its sum of digits gives 50389976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50389979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12011 + ... + 15653.

It is an arithmetic number, because the mean of its divisors is an integer number (1913100).

Almost surely, 2^50389976 is an apocalyptic number.

50389976 is a gapful number since it is divisible by the number (56) 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 50389976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61219200).

50389976 is an abundant number, since it is smaller than the sum of its proper divisors (72048424).

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

50389976 is a wasteful number, since it uses less digits than its factorization.

50389976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688 (or 3684 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 50389976 is about 7098.5897190921. The cubic root of 50389976 is about 369.3584597444.

The spelling of 50389976 in words is "fifty million, three hundred eighty-nine thousand, nine hundred seventy-six".