52317040 has 20 divisors (see below), whose sum is σ = 121637304. Its totient is φ = 20926784.

The previous prime is 52316993. The next prime is 52317053. The reversal of 52317040 is 4071325.

52317040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 326902 + ... + 327061.

Almost surely, 2^52317040 is an apocalyptic number.

It is an amenable number.

52317040 is an abundant number, since it is smaller than the sum of its proper divisors (69320264).

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

52317040 is a wasteful number, since it uses less digits than its factorization.

52317040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653976 (or 653970 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 52317040 is about 7233.0519146485. The cubic root of 52317040 is about 374.0081403663.

Adding to 52317040 its reverse (4071325), we get a palindrome (56388365).

The spelling of 52317040 in words is "fifty-two million, three hundred seventeen thousand, forty".