50727399 has 4 divisors (see below), whose sum is σ = 67636536. Its totient is φ = 33818264.

The previous prime is 50727389. The next prime is 50727403. The reversal of 50727399 is 99372705.

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 50727399 - 2¹⁷ = 50596327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50727399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50727329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8454564 + ... + 8454569.

It is an arithmetic number, because the mean of its divisors is an integer number (16909134).

Almost surely, 2^50727399 is an apocalyptic number.

50727399 is a deficient number, since it is larger than the sum of its proper divisors (16909137).

50727399 is a wasteful number, since it uses less digits than its factorization.

50727399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16909136.

The product of its (nonzero) digits is 119070, while the sum is 42.

The square root of 50727399 is about 7122.3169685152. The cubic root of 50727399 is about 370.1810630728.

The spelling of 50727399 in words is "fifty million, seven hundred twenty-seven thousand, three hundred ninety-nine".