50318414815 has 4 divisors (see below), whose sum is σ = 60382097784. Its totient is φ = 40254731848.

The previous prime is 50318414803. The next prime is 50318414819. The reversal of 50318414815 is 51841481305.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50318414815 is a prime.

It is a super-2 number, since 2×50318414815² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50318414819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5031841477 + ... + 5031841486.

It is an arithmetic number, because the mean of its divisors is an integer number (15095524446).

Almost surely, 2^50318414815 is an apocalyptic number.

50318414815 is a deficient number, since it is larger than the sum of its proper divisors (10063682969).

50318414815 is a wasteful number, since it uses less digits than its factorization.

50318414815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10063682968.

The product of its (nonzero) digits is 76800, while the sum is 40.

The spelling of 50318414815 in words is "fifty billion, three hundred eighteen million, four hundred fourteen thousand, eight hundred fifteen".