52448436 has 36 divisors (see below), whose sum is σ = 139557600. Its totient is φ = 16562448.

The previous prime is 52448419. The next prime is 52448437. The reversal of 52448436 is 63484425.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 52448436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52448437) 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, 37656 + ... + 39023.

It is an arithmetic number, because the mean of its divisors is an integer number (3876600).

Almost surely, 2^52448436 is an apocalyptic number.

It is an amenable number.

52448436 is an abundant number, since it is smaller than the sum of its proper divisors (87109164).

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

52448436 is a wasteful number, since it uses less digits than its factorization.

52448436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76708 (or 76703 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 52448436 is about 7242.1292449113. The cubic root of 52448436 is about 374.3209899296.

The spelling of 52448436 in words is "fifty-two million, four hundred forty-eight thousand, four hundred thirty-six".