50209875648 has 280 divisors, whose sum is σ = 155271118464. Its totient is φ = 16024780800.

The previous prime is 50209875647. The next prime is 50209875659. The reversal of 50209875648 is 84657890205.

50209875648 is a `hidden beast` number, since 50 + 20 + 9 + 8 + 7 + 564 + 8 = 666.

It is a super-2 number, since 2×50209875648² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 50209875594 and 50209875603.

It is not an unprimeable number, because it can be changed into a prime (50209875641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15586678 + ... + 15589898.

Almost surely, 2^50209875648 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 50209875648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77635559232).

50209875648 is an abundant number, since it is smaller than the sum of its proper divisors (105061242816).

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

50209875648 is a wasteful number, since it uses less digits than its factorization.

50209875648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373 (or 3354 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 50209875648 in words is "fifty billion, two hundred nine million, eight hundred seventy-five thousand, six hundred forty-eight".