50728545741888 has 840 divisors, whose sum is σ = 182655455729760. Its totient is φ = 13409714626560.

The previous prime is 50728545741833. The next prime is 50728545741961. The reversal of 50728545741888 is 88814754582705.

50728545741888 is a `hidden beast` number, since 5 + 0 + 7 + 2 + 8 + 545 + 74 + 1 + 8 + 8 + 8 = 666.

It is a super-4 number, since 4×50728545741888⁴ (a number of 56 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1387106643 + ... + 1387143213.

Almost surely, 2^{50728545741888} 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 50728545741888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91327727864880).

50728545741888 is an abundant number, since it is smaller than the sum of its proper divisors (131926909987872).

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

50728545741888 is a wasteful number, since it uses less digits than its factorization.

50728545741888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36693 (or 36659 counting only the distinct ones).

The product of its (nonzero) digits is 802816000, while the sum is 72.

The spelling of 50728545741888 in words is "fifty trillion, seven hundred twenty-eight billion, five hundred forty-five million, seven hundred forty-one thousand, eight hundred eighty-eight".