50087865 has 32 divisors (see below), whose sum is σ = 85847040. Its totient is φ = 24848384.

The previous prime is 50087861. The next prime is 50087881. The reversal of 50087865 is 56878005.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 50087865 - 2² = 50087861 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50087861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21592 + ... + 23798.

It is an arithmetic number, because the mean of its divisors is an integer number (2682720).

Almost surely, 2^50087865 is an apocalyptic number.

It is an amenable number.

50087865 is a deficient number, since it is larger than the sum of its proper divisors (35759175).

50087865 is a wasteful number, since it uses less digits than its factorization.

50087865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 50087865 is about 7077.2780784706. The cubic root of 50087865 is about 368.6188218649.

The spelling of 50087865 in words is "fifty million, eighty-seven thousand, eight hundred sixty-five".