53207405 has 8 divisors (see below), whose sum is σ = 63974112. Its totient is φ = 42482448.

The previous prime is 53207387. The next prime is 53207419. The reversal of 53207405 is 50470235.

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 53207405 - 2¹⁰ = 53206381 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 7559 + ... + 12788.

It is an arithmetic number, because the mean of its divisors is an integer number (7996764).

Almost surely, 2^53207405 is an apocalyptic number.

It is an amenable number.

53207405 is a deficient number, since it is larger than the sum of its proper divisors (10766707).

53207405 is a wasteful number, since it uses less digits than its factorization.

53207405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20875.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 53207405 is about 7294.3406144764. The cubic root of 53207405 is about 376.1179203290.

The spelling of 53207405 in words is "fifty-three million, two hundred seven thousand, four hundred five".