50428663 has 4 divisors (see below), whose sum is σ = 50445520. Its totient is φ = 50411808.

The previous prime is 50428649. The next prime is 50428687. The reversal of 50428663 is 36682405.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36682405 = 5 ⋅7336481.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50428663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50428163) 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, 2595 + ... + 10372.

It is an arithmetic number, because the mean of its divisors is an integer number (12611380).

Almost surely, 2^50428663 is an apocalyptic number.

50428663 is a deficient number, since it is larger than the sum of its proper divisors (16857).

50428663 is a wasteful number, since it uses less digits than its factorization.

50428663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16856.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 50428663 is about 7101.3141741511. The cubic root of 50428663 is about 369.4529607842.

The spelling of 50428663 in words is "fifty million, four hundred twenty-eight thousand, six hundred sixty-three".