50995075557888 has 1920 divisors, whose sum is σ = 204173960601600. Its totient is φ = 12545522196480.

The previous prime is 50995075557809. The next prime is 50995075557889. The reversal of 50995075557888 is 88875557059905.

50995075557888 is a `hidden beast` number, since 5 + 0 + 9 + 9 + 50 + 7 + 5 + 557 + 8 + 8 + 8 = 666.

It is a super-2 number, since 2×50995075557888² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (50995075557889) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11467296081 + ... + 11467300527.

It is an arithmetic number, because the mean of its divisors is an integer number (106340604480).

Almost surely, 2^{50995075557888} 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 50995075557888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102086980300800).

50995075557888 is an abundant number, since it is smaller than the sum of its proper divisors (153178885043712).

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

50995075557888 is an equidigital number, since it uses as much as digits as its factorization.

50995075557888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4530 (or 4489 counting only the distinct ones).

The product of its (nonzero) digits is 6350400000, while the sum is 81.

The spelling of 50995075557888 in words is "fifty trillion, nine hundred ninety-five billion, seventy-five million, five hundred fifty-seven thousand, eight hundred eighty-eight".