50398513 has 8 divisors (see below), whose sum is σ = 55643616. Its totient is φ = 45264000.

The previous prime is 50398499. The next prime is 50398519. The reversal of 50398513 is 31589305.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50398513 is a prime.

It is a super-2 number, since 2×50398513² = 5080020225222338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50398519) 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, 26688 + ... + 28513.

It is an arithmetic number, because the mean of its divisors is an integer number (6955452).

Almost surely, 2^50398513 is an apocalyptic number.

It is an amenable number.

50398513 is a deficient number, since it is larger than the sum of its proper divisors (5245103).

50398513 is a wasteful number, since it uses less digits than its factorization.

50398513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55295.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 50398513 is about 7099.1910102490. The cubic root of 50398513 is about 369.3793172996.

The spelling of 50398513 in words is "fifty million, three hundred ninety-eight thousand, five hundred thirteen".