50221245555 has 96 divisors (see below), whose sum is σ = 100245600000. Its totient is φ = 23039078400.

The previous prime is 50221245497. The next prime is 50221245587. The reversal of 50221245555 is 55554212205.

50221245555 is a `hidden beast` number, since 50 + 2 + 2 + 12 + 45 + 555 = 666.

It is not a de Polignac number, because 50221245555 - 2⁸ = 50221245299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 979446 + ... + 1029444.

It is an arithmetic number, because the mean of its divisors is an integer number (1044225000).

Almost surely, 2^50221245555 is an apocalyptic number.

50221245555 is a deficient number, since it is larger than the sum of its proper divisors (50024354445).

50221245555 is a wasteful number, since it uses less digits than its factorization.

50221245555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50141 (or 50138 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The spelling of 50221245555 in words is "fifty billion, two hundred twenty-one million, two hundred forty-five thousand, five hundred fifty-five".