50635255420665 has 16 divisors (see below), whose sum is σ = 90018231859200. Its totient is φ = 27005469557616.

The previous prime is 50635255420663. The next prime is 50635255420669. The reversal of 50635255420665 is 56602455253605.

50635255420665 is a `hidden beast` number, since 5 + 0 + 6 + 3 + 5 + 2 + 554 + 20 + 6 + 65 = 666.

It is not a de Polignac number, because 50635255420665 - 2¹ = 50635255420663 is a prime.

It is a super-2 number, since 2×50635255420665² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50635255420661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187537982905 + ... + 187537983174.

It is an arithmetic number, because the mean of its divisors is an integer number (5626139491200).

Almost surely, 2^{50635255420665} is an apocalyptic number.

It is an amenable number.

50635255420665 is a deficient number, since it is larger than the sum of its proper divisors (39382976438535).

50635255420665 is a wasteful number, since it uses less digits than its factorization.

50635255420665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375075966093 (or 375075966087 counting only the distinct ones).

The product of its (nonzero) digits is 32400000, while the sum is 54.

The spelling of 50635255420665 in words is "fifty trillion, six hundred thirty-five billion, two hundred fifty-five million, four hundred twenty thousand, six hundred sixty-five".