50129613 has 6 divisors (see below), whose sum is σ = 72409454. Its totient is φ = 33419736.

The previous prime is 50129551. The next prime is 50129623. The reversal of 50129613 is 31692105.

It can be written as a sum of positive squares in only one way, i.e., 27060804 + 23068809 = 5202^2 + 4803^2 .

It is not a de Polignac number, because 50129613 - 2²⁰ = 49081037 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 (50129623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2784970 + ... + 2784987.

Almost surely, 2^50129613 is an apocalyptic number.

It is an amenable number.

50129613 is a deficient number, since it is larger than the sum of its proper divisors (22279841).

50129613 is a wasteful number, since it uses less digits than its factorization.

50129613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5569963 (or 5569960 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 50129613 is about 7080.2269031437. The cubic root of 50129613 is about 368.7212074426.

The spelling of 50129613 in words is "fifty million, one hundred twenty-nine thousand, six hundred thirteen".