50656661605 has 32 divisors (see below), whose sum is σ = 67016937600. Its totient is φ = 36451296000.

The previous prime is 50656661599. The next prime is 50656661609. The reversal of 50656661605 is 50616665605.

It is not a de Polignac number, because 50656661605 - 2²⁷ = 50522443877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50656661609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12602286 + ... + 12606304.

It is an arithmetic number, because the mean of its divisors is an integer number (2094279300).

Almost surely, 2^50656661605 is an apocalyptic number.

50656661605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50656661605 is a deficient number, since it is larger than the sum of its proper divisors (16360275995).

50656661605 is a wasteful number, since it uses less digits than its factorization.

50656661605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6405.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 50656661605 in words is "fifty billion, six hundred fifty-six million, six hundred sixty-one thousand, six hundred five".