53450264609 has 4 divisors (see below), whose sum is σ = 61086016704. Its totient is φ = 45814512516.

The previous prime is 53450264603. The next prime is 53450264633. The reversal of 53450264609 is 90646205435.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53450264609 - 2²⁰ = 53449216033 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 53450264609.

It is not an unprimeable number, because it can be changed into a prime (53450264603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3817876037 + ... + 3817876050.

It is an arithmetic number, because the mean of its divisors is an integer number (15271504176).

Almost surely, 2^53450264609 is an apocalyptic number.

It is an amenable number.

53450264609 is a deficient number, since it is larger than the sum of its proper divisors (7635752095).

53450264609 is an equidigital number, since it uses as much as digits as its factorization.

53450264609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7635752094.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 53450264609 in words is "fifty-three billion, four hundred fifty million, two hundred sixty-four thousand, six hundred nine".