50077025081 has 6 divisors (see below), whose sum is σ = 52851375882. Its totient is φ = 47441391840.

The previous prime is 50077025071. The next prime is 50077025099. The reversal of 50077025081 is 18052077005.

50077025081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 48576160000 + 1500865081 = 220400^2 + 38741^2 .

It is not a de Polignac number, because 50077025081 - 2²⁶ = 50009916217 is a prime.

It is a super-2 number, since 2×50077025081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50077025041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69358400 + ... + 69359121.

It is an arithmetic number, because the mean of its divisors is an integer number (8808562647).

Almost surely, 2^50077025081 is an apocalyptic number.

It is an amenable number.

50077025081 is a deficient number, since it is larger than the sum of its proper divisors (2774350801).

50077025081 is a wasteful number, since it uses less digits than its factorization.

50077025081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138717559 (or 138717540 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The spelling of 50077025081 in words is "fifty billion, seventy-seven million, twenty-five thousand, eighty-one".