53813169 has 12 divisors (see below), whose sum is σ = 81110016. Its totient is φ = 34315512.

The previous prime is 53813161. The next prime is 53813203. The reversal of 53813169 is 96131835.

It is a happy number.

It is not a de Polignac number, because 53813169 - 2³ = 53813161 is a prime.

It is a super-2 number, since 2×53813169² = 5791714315645122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53813161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129777 + ... + 130190.

It is an arithmetic number, because the mean of its divisors is an integer number (6759168).

Almost surely, 2^53813169 is an apocalyptic number.

It is an amenable number.

53813169 is a deficient number, since it is larger than the sum of its proper divisors (27296847).

53813169 is a wasteful number, since it uses less digits than its factorization.

53813169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259996 (or 259993 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 53813169 is about 7335.7459743369. The cubic root of 53813169 is about 377.5398995881.

The spelling of 53813169 in words is "fifty-three million, eight hundred thirteen thousand, one hundred sixty-nine".