50164643 has 4 divisors (see below), whose sum is σ = 50179080. Its totient is φ = 50150208.

The previous prime is 50164613. The next prime is 50164657. The reversal of 50164643 is 34646105.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 50164643 - 2¹⁶ = 50099107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50164613) 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 3 ways as a sum of consecutive naturals, for example, 1523 + ... + 10131.

It is an arithmetic number, because the mean of its divisors is an integer number (12544770).

Almost surely, 2^50164643 is an apocalyptic number.

50164643 is a deficient number, since it is larger than the sum of its proper divisors (14437).

50164643 is an equidigital number, since it uses as much as digits as its factorization.

50164643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14436.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 50164643 is about 7082.7002619058. The cubic root of 50164643 is about 368.8070734986.

The spelling of 50164643 in words is "fifty million, one hundred sixty-four thousand, six hundred forty-three".