50640461652 has 144 divisors (see below), whose sum is σ = 132433781760. Its totient is φ = 15046658880.

The previous prime is 50640461591. The next prime is 50640461671. The reversal of 50640461652 is 25616404605.

50640461652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 50640461652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16750213 + ... + 16753235.

It is an arithmetic number, because the mean of its divisors is an integer number (919679040).

Almost surely, 2^50640461652 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 50640461652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66216890880).

50640461652 is an abundant number, since it is smaller than the sum of its proper divisors (81793320108).

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

50640461652 is a wasteful number, since it uses less digits than its factorization.

50640461652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274 (or 3261 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 50640461652 in words is "fifty billion, six hundred forty million, four hundred sixty-one thousand, six hundred fifty-two".