53342140809 has 4 divisors (see below), whose sum is σ = 71122854416. Its totient is φ = 35561427204.

The previous prime is 53342140807. The next prime is 53342140853. The reversal of 53342140809 is 90804124335.

53342140809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 53342140809 - 2¹ = 53342140807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53342140807) 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, 8890356799 + ... + 8890356804.

It is an arithmetic number, because the mean of its divisors is an integer number (17780713604).

Almost surely, 2^53342140809 is an apocalyptic number.

It is an amenable number.

53342140809 is a deficient number, since it is larger than the sum of its proper divisors (17780713607).

53342140809 is a wasteful number, since it uses less digits than its factorization.

53342140809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17780713606.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 53342140809 in words is "fifty-three billion, three hundred forty-two million, one hundred forty thousand, eight hundred nine".