50642513 has 8 divisors (see below), whose sum is σ = 51438240. Its totient is φ = 49852000.

The previous prime is 50642483. The next prime is 50642521. The reversal of 50642513 is 31524605.

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

It is a cyclic number.

It is not a de Polignac number, because 50642513 - 2¹² = 50638417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50642563) 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, 21206 + ... + 23472.

It is an arithmetic number, because the mean of its divisors is an integer number (6429780).

Almost surely, 2^50642513 is an apocalyptic number.

It is an amenable number.

50642513 is a deficient number, since it is larger than the sum of its proper divisors (795727).

50642513 is a wasteful number, since it uses less digits than its factorization.

50642513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 50642513 is about 7116.3553171550. The cubic root of 50642513 is about 369.9744637842.

The spelling of 50642513 in words is "fifty million, six hundred forty-two thousand, five hundred thirteen".