52440570 has 192 divisors, whose sum is σ = 177166080. Its totient is φ = 10450944.

The previous prime is 52440547. The next prime is 52440571. The reversal of 52440570 is 7504425.

52440570 is a `hidden beast` number, since 52 + 4 + 40 + 570 = 666.

52440570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52440571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 155442 + ... + 155778.

It is an arithmetic number, because the mean of its divisors is an integer number (922740).

Almost surely, 2^52440570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52440570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88583040).

52440570 is an abundant number, since it is smaller than the sum of its proper divisors (124725510).

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

52440570 is a wasteful number, since it uses less digits than its factorization.

52440570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 52440570 is about 7241.5861522183. The cubic root of 52440570 is about 374.3022759549.

Adding to 52440570 its reverse (7504425), we get a palindrome (59944995).

The spelling of 52440570 in words is "fifty-two million, four hundred forty thousand, five hundred seventy".