52405536 has 48 divisors (see below), whose sum is σ = 139243104. Its totient is φ = 17255424.

The previous prime is 52405513. The next prime is 52405547. The reversal of 52405536 is 63550425.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4680 + ... + 11256.

It is an arithmetic number, because the mean of its divisors is an integer number (2900898).

Almost surely, 2^52405536 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 52405536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69621552).

52405536 is an abundant number, since it is smaller than the sum of its proper divisors (86837568).

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

52405536 is a wasteful number, since it uses less digits than its factorization.

52405536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6673 (or 6665 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 52405536 is about 7239.1668028855. The cubic root of 52405536 is about 374.2189039446.

The spelling of 52405536 in words is "fifty-two million, four hundred five thousand, five hundred thirty-six".