50053667664 has 640 divisors, whose sum is σ = 185316139008. Its totient is φ = 11203706880.

The previous prime is 50053667639. The next prime is 50053667701. The reversal of 50053667664 is 46676635005.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 190317997 + ... + 190318259.

Almost surely, 2^50053667664 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 50053667664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92658069504).

50053667664 is an abundant number, since it is smaller than the sum of its proper divisors (135262471344).

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

50053667664 is a wasteful number, since it uses less digits than its factorization.

50053667664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 48.

It can be divided in two parts, 50053 and 667664, that added together give a palindrome (717717).

The spelling of 50053667664 in words is "fifty billion, fifty-three million, six hundred sixty-seven thousand, six hundred sixty-four".