50565984 has 96 divisors (see below), whose sum is σ = 155022336. Its totient is φ = 14131200.

The previous prime is 50565971. The next prime is 50565989. The reversal of 50565984 is 48956505.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50565989) 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, 30784 + ... + 32384.

It is an arithmetic number, because the mean of its divisors is an integer number (1614816).

Almost surely, 2^50565984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50565984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77511168).

50565984 is an abundant number, since it is smaller than the sum of its proper divisors (104456352).

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

50565984 is a wasteful number, since it uses less digits than its factorization.

50565984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 1660 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 50565984 is about 7110.9763042778. The cubic root of 50565984 is about 369.7880061470.

The spelling of 50565984 in words is "fifty million, five hundred sixty-five thousand, nine hundred eighty-four".