50975643 has 4 divisors (see below), whose sum is σ = 67967528. Its totient is φ = 33983760.

The previous prime is 50975633. The next prime is 50975653. The reversal of 50975643 is 34657905.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (50975633) and next prime (50975653).

It is not a de Polignac number, because 50975643 - 2⁹ = 50975131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50975633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8495938 + ... + 8495943.

It is an arithmetic number, because the mean of its divisors is an integer number (16991882).

Almost surely, 2^50975643 is an apocalyptic number.

50975643 is a deficient number, since it is larger than the sum of its proper divisors (16991885).

50975643 is a wasteful number, since it uses less digits than its factorization.

50975643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16991884.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 50975643 is about 7139.7228937824. The cubic root of 50975643 is about 370.7839307781.

The spelling of 50975643 in words is "fifty million, nine hundred seventy-five thousand, six hundred forty-three".