50565516 has 12 divisors (see below), whose sum is σ = 117986232. Its totient is φ = 16855168.

The previous prime is 50565511. The next prime is 50565527. The reversal of 50565516 is 61556505.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (50565511) 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, 2106885 + ... + 2106908.

It is an arithmetic number, because the mean of its divisors is an integer number (9832186).

Almost surely, 2^50565516 is an apocalyptic number.

It is an amenable number.

50565516 is an abundant number, since it is smaller than the sum of its proper divisors (67420716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50565516 is a wasteful number, since it uses less digits than its factorization.

50565516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213800 (or 4213798 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 50565516 is about 7110.9433973278. The cubic root of 50565516 is about 369.7868653187.

The spelling of 50565516 in words is "fifty million, five hundred sixty-five thousand, five hundred sixteen".