50771520000 has 900 divisors, whose sum is σ = 197697002646. Its totient is φ = 12533760000.

The previous prime is 50771519963. The next prime is 50771520011. The reversal of 50771520000 is 2517705.

50771520000 is a `hidden beast` number, since 507 + 7 + 152 + 0 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 15 ways, for example, as 20227666176 + 30543853824 = 142224^2 + 174768^2 .

It is a tau number, because it is divible by the number of its divisors (900).

It is a super-2 number, since 2×50771520000² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 832319970 + ... + 832320030.

Almost surely, 2^50771520000 is an apocalyptic number.

50771520000 is a gapful number since it is divisible by the number (50) 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 50771520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98848501323).

50771520000 is an abundant number, since it is smaller than the sum of its proper divisors (146925482646).

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

50771520000 is an equidigital number, since it uses as much as digits as its factorization.

50771520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The spelling of 50771520000 in words is "fifty billion, seven hundred seventy-one million, five hundred twenty thousand".