52500384 has 72 divisors (see below), whose sum is σ = 149998212. Its totient is φ = 17418240.

The previous prime is 52500367. The next prime is 52500389. The reversal of 52500384 is 48300525.

It can be written as a sum of positive squares in 2 ways, for example, as 36723600 + 15776784 = 6060^2 + 3972^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (52500389) 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, 121032 + ... + 121464.

Almost surely, 2^52500384 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 52500384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74999106).

52500384 is an abundant number, since it is smaller than the sum of its proper divisors (97497828).

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

52500384 is a wasteful number, since it uses less digits than its factorization.

52500384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 52500384 is about 7245.7148715637. The cubic root of 52500384 is about 374.4445322879. Note that the first 3 decimals are identical.

The spelling of 52500384 in words is "fifty-two million, five hundred thousand, three hundred eighty-four".