50656006665 has 64 divisors (see below), whose sum is σ = 98307717120. Its totient is φ = 24544048320.

The previous prime is 50656006631. The next prime is 50656006669. The reversal of 50656006665 is 56660065605.

It is not a de Polignac number, because 50656006665 - 2¹⁰ = 50656005641 is a prime.

It is a super-2 number, since 2×50656006665² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 50656006665.

It is not an unprimeable number, because it can be changed into a prime (50656006669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2375782 + ... + 2397008.

It is an arithmetic number, because the mean of its divisors is an integer number (1536058080).

Almost surely, 2^50656006665 is an apocalyptic number.

50656006665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50656006665 is a deficient number, since it is larger than the sum of its proper divisors (47651710455).

50656006665 is a wasteful number, since it uses less digits than its factorization.

50656006665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22859 (or 22853 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 50656006665 in words is "fifty billion, six hundred fifty-six million, six thousand, six hundred sixty-five".