50100665065 has 32 divisors (see below), whose sum is σ = 69464905344. Its totient is φ = 34283351040.

The previous prime is 50100665053. The next prime is 50100665123. The reversal of 50100665065 is 56056600105.

It is not a de Polignac number, because 50100665065 - 2¹⁷ = 50100533993 is a prime.

It is a super-2 number, since 2×50100665065² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50100665065.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4554502 + ... + 4565488.

It is an arithmetic number, because the mean of its divisors is an integer number (2170778292).

Almost surely, 2^50100665065 is an apocalyptic number.

50100665065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50100665065 is a deficient number, since it is larger than the sum of its proper divisors (19364240279).

50100665065 is a wasteful number, since it uses less digits than its factorization.

50100665065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15897.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 50100665065 in words is "fifty billion, one hundred million, six hundred sixty-five thousand, sixty-five".