52504405 has 8 divisors (see below), whose sum is σ = 64346112. Its totient is φ = 41109648.

The previous prime is 52504399. The next prime is 52504409. The reversal of 52504405 is 50440525.

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 52504405 - 2⁵ = 52504373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52504405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52504409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111477 + ... + 111946.

It is an arithmetic number, because the mean of its divisors is an integer number (8043264).

Almost surely, 2^52504405 is an apocalyptic number.

It is an amenable number.

52504405 is a deficient number, since it is larger than the sum of its proper divisors (11841707).

52504405 is a wasteful number, since it uses less digits than its factorization.

52504405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223475.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 52504405 is about 7245.9923405977. The cubic root of 52504405 is about 374.4540916023.

The spelling of 52504405 in words is "fifty-two million, five hundred four thousand, four hundred five".