52591248 has 160 divisors (see below), whose sum is σ = 161894400. Its totient is φ = 16308864.

The previous prime is 52591247. The next prime is 52591267. The reversal of 52591248 is 84219525.

52591248 is a `hidden beast` number, since 525 + 9 + 124 + 8 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (52591241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 665673 + ... + 665751.

It is an arithmetic number, because the mean of its divisors is an integer number (1011840).

Almost surely, 2^52591248 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 52591248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80947200).

52591248 is an abundant number, since it is smaller than the sum of its proper divisors (109303152).

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

52591248 is a wasteful number, since it uses less digits than its factorization.

52591248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 174 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 52591248 is about 7251.9823496752. The cubic root of 52591248 is about 374.6604286029.

The spelling of 52591248 in words is "fifty-two million, five hundred ninety-one thousand, two hundred forty-eight".