50198565 has 16 divisors (see below), whose sum is σ = 83088000. Its totient is φ = 25849152.

The previous prime is 50198549. The next prime is 50198597. The reversal of 50198565 is 56589105.

It is not a de Polignac number, because 50198565 - 2⁴ = 50198549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57265 + ... + 58134.

It is an arithmetic number, because the mean of its divisors is an integer number (5193000).

Almost surely, 2^50198565 is an apocalyptic number.

It is an amenable number.

50198565 is a deficient number, since it is larger than the sum of its proper divisors (32889435).

50198565 is a wasteful number, since it uses less digits than its factorization.

50198565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115436.

The product of its (nonzero) digits is 54000, while the sum is 39.

The square root of 50198565 is about 7085.0945653534. The cubic root of 50198565 is about 368.8901855200.

The spelling of 50198565 in words is "fifty million, one hundred ninety-eight thousand, five hundred sixty-five".