52442405 has 8 divisors (see below), whose sum is σ = 63060000. Its totient is φ = 41867856.

The previous prime is 52442363. The next prime is 52442417. The reversal of 52442405 is 50424425.

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 52442405 - 2¹⁴ = 52426021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8015 + ... + 13004.

It is an arithmetic number, because the mean of its divisors is an integer number (7882500).

Almost surely, 2^52442405 is an apocalyptic number.

It is an amenable number.

52442405 is a deficient number, since it is larger than the sum of its proper divisors (10617595).

52442405 is a wasteful number, since it uses less digits than its factorization.

52442405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21523.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 52442405 is about 7241.7128498719. The cubic root of 52442405 is about 374.3066417647.

The spelling of 52442405 in words is "fifty-two million, four hundred forty-two thousand, four hundred five".