50911035552 has 144 divisors (see below), whose sum is σ = 157889571840. Its totient is φ = 15466553856.

The previous prime is 50911035551. The next prime is 50911035607. The reversal of 50911035552 is 25553011905.

50911035552 is a `hidden beast` number, since 5 + 0 + 91 + 10 + 3 + 5 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (50911035551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209713 + ... + 381839.

It is an arithmetic number, because the mean of its divisors is an integer number (1096455360).

Almost surely, 2^50911035552 is an apocalyptic number.

50911035552 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50911035552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78944785920).

50911035552 is an abundant number, since it is smaller than the sum of its proper divisors (106978536288).

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

50911035552 is a wasteful number, since it uses less digits than its factorization.

50911035552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172235 (or 172224 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 36.

The spelling of 50911035552 in words is "fifty billion, nine hundred eleven million, thirty-five thousand, five hundred fifty-two".