53909023 has 32 divisors (see below), whose sum is σ = 69603840. Its totient is φ = 40642560.

The previous prime is 53909017. The next prime is 53909039. The reversal of 53909023 is 32090935.

It is not a de Polignac number, because 53909023 - 2²⁵ = 20354591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53909083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255388 + ... + 255598.

It is an arithmetic number, because the mean of its divisors is an integer number (2175120).

Almost surely, 2^53909023 is an apocalyptic number.

53909023 is a deficient number, since it is larger than the sum of its proper divisors (15694817).

53909023 is a wasteful number, since it uses less digits than its factorization.

53909023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 53909023 is about 7342.2764181145. The cubic root of 53909023 is about 377.7639292854.

Adding to 53909023 its reverse (32090935), we get a palindrome (85999958).

The spelling of 53909023 in words is "fifty-three million, nine hundred nine thousand, twenty-three".