52440415 has 8 divisors (see below), whose sum is σ = 63249120. Its totient is φ = 41738592.

The previous prime is 52440413. The next prime is 52440467. The reversal of 52440415 is 51404425.

It is a happy number.

52440415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52440415 - 2¹ = 52440413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52440415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52440413) 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 7 ways as a sum of consecutive naturals, for example, 25635 + ... + 27604.

It is an arithmetic number, because the mean of its divisors is an integer number (7906140).

Almost surely, 2^52440415 is an apocalyptic number.

52440415 is a deficient number, since it is larger than the sum of its proper divisors (10808705).

52440415 is a wasteful number, since it uses less digits than its factorization.

52440415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53441.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 52440415 is about 7241.5754501351. The cubic root of 52440415 is about 374.3019071761.

The spelling of 52440415 in words is "fifty-two million, four hundred forty thousand, four hundred fifteen".