53423109 has 6 divisors (see below), whose sum is σ = 77166726. Its totient is φ = 35615400.

The previous prime is 53423093. The next prime is 53423119. The reversal of 53423109 is 90132435.

53423109 is a `hidden beast` number, since 5 + 342 + 310 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48692484 + 4730625 = 6978^2 + 2175^2 .

It is not a de Polignac number, because 53423109 - 2⁴ = 53423093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53423119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2967942 + ... + 2967959.

It is an arithmetic number, because the mean of its divisors is an integer number (12861121).

Almost surely, 2^53423109 is an apocalyptic number.

It is an amenable number.

53423109 is a deficient number, since it is larger than the sum of its proper divisors (23743617).

53423109 is a wasteful number, since it uses less digits than its factorization.

53423109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935907 (or 5935904 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 53423109 is about 7309.1113686959. Note that the first 3 decimals coincide. The cubic root of 53423109 is about 376.6254984984.

The spelling of 53423109 in words is "fifty-three million, four hundred twenty-three thousand, one hundred nine".