50521574448 has 320 divisors, whose sum is σ = 155875737600. Its totient is φ = 15637950720.

The previous prime is 50521574419. The next prime is 50521574459. The reversal of 50521574448 is 84447512505.

50521574448 is a `hidden beast` number, since 5 + 0 + 52 + 157 + 4 + 448 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33974761 + ... + 33976247.

It is an arithmetic number, because the mean of its divisors is an integer number (487111680).

Almost surely, 2^50521574448 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 50521574448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77937868800).

50521574448 is an abundant number, since it is smaller than the sum of its proper divisors (105354163152).

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

50521574448 is a wasteful number, since it uses less digits than its factorization.

50521574448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 45.

The spelling of 50521574448 in words is "fifty billion, five hundred twenty-one million, five hundred seventy-four thousand, four hundred forty-eight".