50579980 has 48 divisors (see below), whose sum is σ = 117804960. Its totient is φ = 18086400.

The previous prime is 50579959. The next prime is 50579983. The reversal of 50579980 is 8997505.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (50579983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11536 + ... + 15304.

It is an arithmetic number, because the mean of its divisors is an integer number (2454270).

Almost surely, 2^50579980 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 50579980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58902480).

50579980 is an abundant number, since it is smaller than the sum of its proper divisors (67224980).

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

50579980 is a wasteful number, since it uses less digits than its factorization.

50579980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850 (or 3848 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 43.

The square root of 50579980 is about 7111.9603485959. The cubic root of 50579980 is about 369.8221204869.

The spelling of 50579980 in words is "fifty million, five hundred seventy-nine thousand, nine hundred eighty".