50142513 has 8 divisors (see below), whose sum is σ = 66904288. Its totient is φ = 33404544.

The previous prime is 50142481. The next prime is 50142517. The reversal of 50142513 is 31524105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50142513 - 2⁵ = 50142481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50142513.

It is not an unprimeable number, because it can be changed into a prime (50142517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256 + ... + 10017.

It is an arithmetic number, because the mean of its divisors is an integer number (8363036).

Almost surely, 2^50142513 is an apocalyptic number.

It is an amenable number.

50142513 is a deficient number, since it is larger than the sum of its proper divisors (16761775).

50142513 is a wasteful number, since it uses less digits than its factorization.

50142513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11903.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 50142513 is about 7081.1378322979. The cubic root of 50142513 is about 368.7528327658.

Adding to 50142513 its reverse (31524105), we get a palindrome (81666618).

The spelling of 50142513 in words is "fifty million, one hundred forty-two thousand, five hundred thirteen".