50613 has 4 divisors (see below), whose sum is σ = 67488.
Its totient is φ = 33740.
The previous prime is 50599. The next prime is 50627. The reversal of 50613 is 31605.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (50599) and next prime (50627).
It is a cyclic number.
It is not a de Polignac number, because 50613 - 25 = 50581 is a prime.
It is a D-number.
It is a nialpdrome in base 15.
It is a junction number, because it is equal to n+sod(n) for n = 50592 and 50601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50683) 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, 8433 + ... + 8438.
It is an arithmetic number, because the mean of its divisors is an integer number (16872).
250613 is an apocalyptic number.
It is an amenable number.
50613 is a deficient number, since it is larger than the sum of its proper divisors (16875).
50613 is a wasteful number, since it uses less digits than its factorization.
50613 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16874.
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 50613 is about 224.9733317529.
The cubic root of 50613 is about 36.9902579660.
The spelling of 50613 in words is "fifty thousand, six hundred thirteen".