50642 has 4 divisors (see below), whose sum is σ = 75966. Its totient is φ = 25320.

The previous prime is 50627. The next prime is 50647. The reversal of 50642 is 24605.

50642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 36481 + 14161 = 191^2 + 119^2 .

It is a super-2 number, since 2×50642² = 5129224328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50642.

It is not an unprimeable number, because it can be changed into a prime (50647) by changing a digit.

50642 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12659 + ... + 12662.

2⁵⁰⁶⁴² is an apocalyptic number.

50642 is a deficient number, since it is larger than the sum of its proper divisors (25324).

50642 is a wasteful number, since it uses less digits than its factorization.

50642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25323.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 50642 is about 225.0377746068. The cubic root of 50642 is about 36.9973214521.

Subtracting from 50642 its sum of digits (17), we obtain a 4-th power (50625 = 15⁴).

The spelling of 50642 in words is "fifty thousand, six hundred forty-two".