50000000580 has 36 divisors (see below), whose sum is σ = 151666668972. Its totient is φ = 13333333440.

The previous prime is 50000000549. The next prime is 50000000581. The reversal of 50000000580 is 8500000005.

50000000580 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 2 ways, for example, as 7564824576 + 42435176004 = 86976^2 + 205998^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (50000000581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138888711 + ... + 138889070.

It is an arithmetic number, because the mean of its divisors is an integer number (4212963027).

Almost surely, 2^50000000580 is an apocalyptic number.

It is an amenable number.

50000000580 is an abundant number, since it is smaller than the sum of its proper divisors (101666668392).

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

50000000580 is a wasteful number, since it uses less digits than its factorization.

50000000580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277777796 (or 277777791 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

Adding to 50000000580 its reverse (8500000005), we get a palindrome (58500000585).

The spelling of 50000000580 in words is "fifty billion, five hundred eighty", and thus it is an aban number.