50205613 has 4 divisors (see below), whose sum is σ = 50276160. Its totient is φ = 50135068.

The previous prime is 50205611. The next prime is 50205629. The reversal of 50205613 is 31650205.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31650205 = 5 ⋅6330041.

It is a cyclic number.

It is not a de Polignac number, because 50205613 - 2¹ = 50205611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50205611) 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, 34195 + ... + 35632.

It is an arithmetic number, because the mean of its divisors is an integer number (12569040).

Almost surely, 2^50205613 is an apocalyptic number.

It is an amenable number.

50205613 is a deficient number, since it is larger than the sum of its proper divisors (70547).

50205613 is an equidigital number, since it uses as much as digits as its factorization.

50205613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70546.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 50205613 is about 7085.5919301072. The cubic root of 50205613 is about 368.9074490703.

Adding to 50205613 its reverse (31650205), we get a palindrome (81855818).

The spelling of 50205613 in words is "fifty million, two hundred five thousand, six hundred thirteen".