50788921428 has 192 divisors, whose sum is σ = 152748288000. Its totient is φ = 14294009088.

The previous prime is 50788921427. The next prime is 50788921459. The reversal of 50788921428 is 82412988705.

50788921428 is a `hidden beast` number, since 50 + 7 + 88 + 92 + 1 + 428 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50788921427) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25662943 + ... + 25664921.

It is an arithmetic number, because the mean of its divisors is an integer number (795564000).

Almost surely, 2^50788921428 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 50788921428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76374144000).

50788921428 is an abundant number, since it is smaller than the sum of its proper divisors (101959366572).

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

50788921428 is a wasteful number, since it uses less digits than its factorization.

50788921428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The spelling of 50788921428 in words is "fifty billion, seven hundred eighty-eight million, nine hundred twenty-one thousand, four hundred twenty-eight".