50001669 has 12 divisors (see below), whose sum is σ = 72293676. Its totient is φ = 33302592.

The previous prime is 50001649. The next prime is 50001683. The reversal of 50001669 is 96610005.

It can be written as a sum of positive squares in 2 ways, for example, as 27562500 + 22439169 = 5250^2 + 4737^2 .

It is not a de Polignac number, because 50001669 - 2⁹ = 50001157 is a prime.

It is a super-2 number, since 2×50001669² = 5000333805571122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50001649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10959 + ... + 14835.

It is an arithmetic number, because the mean of its divisors is an integer number (6024473).

Almost surely, 2^50001669 is an apocalyptic number.

It is an amenable number.

50001669 is a deficient number, since it is larger than the sum of its proper divisors (22292007).

50001669 is a wasteful number, since it uses less digits than its factorization.

50001669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316 (or 5313 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 50001669 is about 7071.1858270024. The cubic root of 50001669 is about 368.4072489175.

The spelling of 50001669 in words is "fifty million, one thousand, six hundred sixty-nine".