50678162765 has 4 divisors (see below), whose sum is σ = 60813795324. Its totient is φ = 40542530208.

The previous prime is 50678162747. The next prime is 50678162797. The reversal of 50678162765 is 56726187605.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18196391236 + 32481771529 = 134894^2 + 180227^2 .

It is a cyclic number.

It is not a de Polignac number, because 50678162765 - 2²⁴ = 50661385549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5067816272 + ... + 5067816281.

It is an arithmetic number, because the mean of its divisors is an integer number (15203448831).

Almost surely, 2^50678162765 is an apocalyptic number.

It is an amenable number.

50678162765 is a deficient number, since it is larger than the sum of its proper divisors (10135632559).

50678162765 is a wasteful number, since it uses less digits than its factorization.

50678162765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10135632558.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 50678162765 in words is "fifty billion, six hundred seventy-eight million, one hundred sixty-two thousand, seven hundred sixty-five".