50545004251 has 12 divisors (see below), whose sum is σ = 58834576920. Its totient is φ = 43296785280.

The previous prime is 50545004203. The next prime is 50545004297. The reversal of 50545004251 is 15240054505.

It is not a de Polignac number, because 50545004251 - 2¹⁹ = 50544479963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50545002251) 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, 249270 + ... + 404011.

It is an arithmetic number, because the mean of its divisors is an integer number (4902881410).

Almost surely, 2^50545004251 is an apocalyptic number.

50545004251 is a deficient number, since it is larger than the sum of its proper divisors (8289572669).

50545004251 is a wasteful number, since it uses less digits than its factorization.

50545004251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654874 (or 654867 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

Adding to 50545004251 its reverse (15240054505), we get a palindrome (65785058756).

The spelling of 50545004251 in words is "fifty billion, five hundred forty-five million, four thousand, two hundred fifty-one".