50994536488 has 128 divisors (see below), whose sum is σ = 115146915840. Its totient is φ = 20712672000.

The previous prime is 50994536447. The next prime is 50994536513. The reversal of 50994536488 is 88463549905.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27849733 + ... + 27851563.

It is an arithmetic number, because the mean of its divisors is an integer number (899585280).

Almost surely, 2^50994536488 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 50994536488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57573457920).

50994536488 is an abundant number, since it is smaller than the sum of its proper divisors (64152379352).

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

50994536488 is a wasteful number, since it uses less digits than its factorization.

50994536488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199 (or 2195 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 61.

The spelling of 50994536488 in words is "fifty billion, nine hundred ninety-four million, five hundred thirty-six thousand, four hundred eighty-eight".