50266509 has 16 divisors (see below), whose sum is σ = 68250240. Its totient is φ = 32901120.

The previous prime is 50266507. The next prime is 50266511. The reversal of 50266509 is 90566205.

It is an interprime number because it is at equal distance from previous prime (50266507) and next prime (50266511).

It is not a de Polignac number, because 50266509 - 2¹ = 50266507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50266509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50266507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86829 + ... + 87405.

It is an arithmetic number, because the mean of its divisors is an integer number (4265640).

Almost surely, 2^50266509 is an apocalyptic number.

It is an amenable number.

50266509 is a deficient number, since it is larger than the sum of its proper divisors (17983731).

50266509 is a wasteful number, since it uses less digits than its factorization.

50266509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 50266509 is about 7089.8877988301. The cubic root of 50266509 is about 369.0565420366.

The spelling of 50266509 in words is "fifty million, two hundred sixty-six thousand, five hundred nine".