53183254409 has 4 divisors (see below), whose sum is σ = 53248033860. Its totient is φ = 53118474960.

The previous prime is 53183254349. The next prime is 53183254417. The reversal of 53183254409 is 90445238135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23341728400 + 29841526009 = 152780^2 + 172747^2 .

It is a cyclic number.

It is not a de Polignac number, because 53183254409 - 2²⁴ = 53166477193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53183254409.

It is not an unprimeable number, because it can be changed into a prime (53183254469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32388494 + ... + 32390135.

It is an arithmetic number, because the mean of its divisors is an integer number (13312008465).

Almost surely, 2^53183254409 is an apocalyptic number.

It is an amenable number.

53183254409 is a deficient number, since it is larger than the sum of its proper divisors (64779451).

53183254409 is an equidigital number, since it uses as much as digits as its factorization.

53183254409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64779450.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 53183254409 in words is "fifty-three billion, one hundred eighty-three million, two hundred fifty-four thousand, four hundred nine".