53418405 has 16 divisors (see below), whose sum is σ = 89968320. Its totient is φ = 26990208.

The previous prime is 53418389. The next prime is 53418451. The reversal of 53418405 is 50481435.

It is not a de Polignac number, because 53418405 - 2⁴ = 53418389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93432 + ... + 94001.

It is an arithmetic number, because the mean of its divisors is an integer number (5623020).

Almost surely, 2^53418405 is an apocalyptic number.

It is an amenable number.

53418405 is a deficient number, since it is larger than the sum of its proper divisors (36549915).

53418405 is a wasteful number, since it uses less digits than its factorization.

53418405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187460.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 53418405 is about 7308.7895714680. The cubic root of 53418405 is about 376.6144439917.

The spelling of 53418405 in words is "fifty-three million, four hundred eighteen thousand, four hundred five".