50406887 has 4 divisors (see below), whose sum is σ = 53372016. Its totient is φ = 47441760.

The previous prime is 50406883. The next prime is 50406893. The reversal of 50406887 is 78860405.

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 50406887 - 2² = 50406883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50406887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50406883) 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, 1482539 + ... + 1482572.

It is an arithmetic number, because the mean of its divisors is an integer number (13343004).

Almost surely, 2^50406887 is an apocalyptic number.

50406887 is a deficient number, since it is larger than the sum of its proper divisors (2965129).

50406887 is a wasteful number, since it uses less digits than its factorization.

50406887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965128.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 50406887 is about 7099.7807712633. The cubic root of 50406887 is about 369.3997743258.

The spelling of 50406887 in words is "fifty million, four hundred six thousand, eight hundred eighty-seven".