50564864 has 108 divisors (see below), whose sum is σ = 122333400. Its totient is φ = 20772864.

The previous prime is 50564827. The next prime is 50564867. The reversal of 50564864 is 46846505.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50564867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363707 + ... + 363845.

Almost surely, 2^50564864 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 50564864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61166700).

50564864 is an abundant number, since it is smaller than the sum of its proper divisors (71768536).

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

50564864 is a wasteful number, since it uses less digits than its factorization.

50564864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 50564864 is about 7110.8975523488. The cubic root of 50564864 is about 369.7852759478.

The spelling of 50564864 in words is "fifty million, five hundred sixty-four thousand, eight hundred sixty-four".