50664240544 has 96 divisors (see below), whose sum is σ = 108626132160. Its totient is φ = 23180544000.

The previous prime is 50664240469. The next prime is 50664240547. The reversal of 50664240544 is 44504246605.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 50664240497 and 50664240506.

It is not an unprimeable number, because it can be changed into a prime (50664240547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2507667 + ... + 2527789.

It is an arithmetic number, because the mean of its divisors is an integer number (1131522210).

Almost surely, 2^50664240544 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 50664240544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54313066080).

50664240544 is an abundant number, since it is smaller than the sum of its proper divisors (57961891616).

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

50664240544 is a wasteful number, since it uses less digits than its factorization.

50664240544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20294 (or 20286 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 50664240544 in words is "fifty billion, six hundred sixty-four million, two hundred forty thousand, five hundred forty-four".