52458528 has 48 divisors (see below), whose sum is σ = 139466880. Its totient is φ = 17262336.

The previous prime is 52458517. The next prime is 52458529. The reversal of 52458528 is 82585425.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (52458529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4126 + ... + 11042.

It is an arithmetic number, because the mean of its divisors is an integer number (2905560).

Almost surely, 2^52458528 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 52458528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69733440).

52458528 is an abundant number, since it is smaller than the sum of its proper divisors (87008352).

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

52458528 is a wasteful number, since it uses less digits than its factorization.

52458528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7009 (or 7001 counting only the distinct ones).

The product of its digits is 128000, while the sum is 39.

The square root of 52458528 is about 7242.8259678112. The cubic root of 52458528 is about 374.3449970335.

The spelling of 52458528 in words is "fifty-two million, four hundred fifty-eight thousand, five hundred twenty-eight".