50771613 has 4 divisors (see below), whose sum is σ = 67695488. Its totient is φ = 33847740.

The previous prime is 50771599. The next prime is 50771621. The reversal of 50771613 is 31617705.

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 not a de Polignac number, because 50771613 - 2⁴ = 50771597 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 (50771213) 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, 8461933 + ... + 8461938.

It is an arithmetic number, because the mean of its divisors is an integer number (16923872).

Almost surely, 2^50771613 is an apocalyptic number.

It is an amenable number.

50771613 is a deficient number, since it is larger than the sum of its proper divisors (16923875).

50771613 is a wasteful number, since it uses less digits than its factorization.

50771613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16923874.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 50771613 is about 7125.4201981357. The cubic root of 50771613 is about 370.2885817769.

The spelling of 50771613 in words is "fifty million, seven hundred seventy-one thousand, six hundred thirteen".