50996864 has 32 divisors (see below), whose sum is σ = 102081600. Its totient is φ = 25376512.

The previous prime is 50996861. The next prime is 50996873. The reversal of 50996864 is 46869905.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (50996861) 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, 29759 + ... + 31425.

It is an arithmetic number, because the mean of its divisors is an integer number (3190050).

Almost surely, 2^50996864 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 50996864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51040800).

50996864 is an abundant number, since it is smaller than the sum of its proper divisors (51084736).

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

50996864 is a wasteful number, since it uses less digits than its factorization.

50996864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 50996864 is about 7141.2088612503. The cubic root of 50996864 is about 370.8353757017.

The spelling of 50996864 in words is "fifty million, nine hundred ninety-six thousand, eight hundred sixty-four".