50978880 has 168 divisors, whose sum is σ = 181319424. Its totient is φ = 13132800.

The previous prime is 50978857. The next prime is 50978887. The reversal of 50978880 is 8887905.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (50978887) 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, 88995 + ... + 89565.

Almost surely, 2^50978880 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 50978880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90659712).

50978880 is an abundant number, since it is smaller than the sum of its proper divisors (130340544).

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

50978880 is a wasteful number, since it uses less digits than its factorization.

50978880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 50978880 is about 7139.9495796539. The cubic root of 50978880 is about 370.7917789850.

The spelling of 50978880 in words is "fifty million, nine hundred seventy-eight thousand, eight hundred eighty".