50645643 has 8 divisors (see below), whose sum is σ = 67584000. Its totient is φ = 33735528.

The previous prime is 50645627. The next prime is 50645671. The reversal of 50645643 is 34654605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50645643 - 2⁴ = 50645627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50647643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2443 + ... + 10356.

It is an arithmetic number, because the mean of its divisors is an integer number (8448000).

Almost surely, 2^50645643 is an apocalyptic number.

50645643 is a deficient number, since it is larger than the sum of its proper divisors (16938357).

50645643 is a wasteful number, since it uses less digits than its factorization.

50645643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14121.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 50645643 is about 7116.5752297014. The cubic root of 50645643 is about 369.9820858139.

The spelling of 50645643 in words is "fifty million, six hundred forty-five thousand, six hundred forty-three".