50873765 has 8 divisors (see below), whose sum is σ = 61109880. Its totient is φ = 40658112.

The previous prime is 50873749. The next prime is 50873777. The reversal of 50873765 is 56737805.

It can be written as a sum of positive squares in 4 ways, for example, as 1747684 + 49126081 = 1322^2 + 7009^2 .

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 50873765 - 2⁴ = 50873749 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031 + ... + 10139.

It is an arithmetic number, because the mean of its divisors is an integer number (7638735).

Almost surely, 2^50873765 is an apocalyptic number.

It is an amenable number.

50873765 is a deficient number, since it is larger than the sum of its proper divisors (10236115).

50873765 is a wasteful number, since it uses less digits than its factorization.

50873765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10231.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 50873765 is about 7132.5847348630. The cubic root of 50873765 is about 370.5367544398.

The spelling of 50873765 in words is "fifty million, eight hundred seventy-three thousand, seven hundred sixty-five".