50513315 has 4 divisors (see below), whose sum is σ = 60615984. Its totient is φ = 40410648.

The previous prime is 50513279. The next prime is 50513317. The reversal of 50513315 is 51331505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50513315 - 2¹⁰ = 50512291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50513317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5051327 + ... + 5051336.

It is an arithmetic number, because the mean of its divisors is an integer number (15153996).

Almost surely, 2^50513315 is an apocalyptic number.

50513315 is a deficient number, since it is larger than the sum of its proper divisors (10102669).

50513315 is a wasteful number, since it uses less digits than its factorization.

50513315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10102668.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 50513315 is about 7107.2719801623. The cubic root of 50513315 is about 369.6595724386.

The spelling of 50513315 in words is "fifty million, five hundred thirteen thousand, three hundred fifteen".