50511225 has 24 divisors (see below), whose sum is σ = 83779360. Its totient is φ = 26853120.

The previous prime is 50511203. The next prime is 50511259. The reversal of 50511225 is 52211505.

It is not a de Polignac number, because 50511225 - 2⁵ = 50511193 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27537 + ... + 29313.

Almost surely, 2^50511225 is an apocalyptic number.

It is an amenable number.

50511225 is a deficient number, since it is larger than the sum of its proper divisors (33268135).

50511225 is a wasteful number, since it uses less digits than its factorization.

50511225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169 (or 2164 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 50511225 is about 7107.1249461368. The cubic root of 50511225 is about 369.6544741184.

The spelling of 50511225 in words is "fifty million, five hundred eleven thousand, two hundred twenty-five".