50505768 has 80 divisors (see below), whose sum is σ = 144989460. Its totient is φ = 16416000.

The previous prime is 50505761. The next prime is 50505773. The reversal of 50505768 is 86750505.

It can be written as a sum of positive squares in 2 ways, for example, as 37675044 + 12830724 = 6138^2 + 3582^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (50505761) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25618 + ... + 27518.

Almost surely, 2^50505768 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 50505768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72494730).

50505768 is an abundant number, since it is smaller than the sum of its proper divisors (94483692).

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

50505768 is a wasteful number, since it uses less digits than its factorization.

50505768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960 (or 1947 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 50505768 is about 7106.7410252520. The cubic root of 50505768 is about 369.6411617170.

The spelling of 50505768 in words is "fifty million, five hundred five thousand, seven hundred sixty-eight".