50503661625 has 256 divisors, whose sum is σ = 98545434624. Its totient is φ = 22809600000.

The previous prime is 50503661609. The next prime is 50503661627. The reversal of 50503661625 is 52616630505.

It is not a de Polignac number, because 50503661625 - 2⁴ = 50503661609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50503661627) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 186360240 + ... + 186360510.

It is an arithmetic number, because the mean of its divisors is an integer number (384943104).

Almost surely, 2^50503661625 is an apocalyptic number.

It is an amenable number.

50503661625 is a deficient number, since it is larger than the sum of its proper divisors (48041772999).

50503661625 is a wasteful number, since it uses less digits than its factorization.

50503661625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 50503661625 in words is "fifty billion, five hundred three million, six hundred sixty-one thousand, six hundred twenty-five".