52136448 has 160 divisors (see below), whose sum is σ = 171405696. Its totient is φ = 13713408.

The previous prime is 52136443. The next prime is 52136473. The reversal of 52136448 is 84463125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52136443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139590 + ... + 139962.

Almost surely, 2^52136448 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 52136448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85702848).

52136448 is an abundant number, since it is smaller than the sum of its proper divisors (119269248).

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

52136448 is a wasteful number, since it uses less digits than its factorization.

52136448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 398 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 52136448 is about 7220.5573192102. The cubic root of 52136448 is about 373.5773008538.

The spelling of 52136448 in words is "fifty-two million, one hundred thirty-six thousand, four hundred forty-eight".