50887396728 has 192 divisors, whose sum is σ = 160120546560. Its totient is φ = 14298882048.

The previous prime is 50887396723. The next prime is 50887396787. The reversal of 50887396728 is 82769378805.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50887396723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38933851 + ... + 38935157.

It is an arithmetic number, because the mean of its divisors is an integer number (833961180).

Almost surely, 2^50887396728 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 50887396728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80060273280).

50887396728 is an abundant number, since it is smaller than the sum of its proper divisors (109233149832).

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

50887396728 is a wasteful number, since it uses less digits than its factorization.

50887396728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546 (or 2539 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 50887396728 in words is "fifty billion, eight hundred eighty-seven million, three hundred ninety-six thousand, seven hundred twenty-eight".