53235534309 has 4 divisors (see below), whose sum is σ = 70980712416. Its totient is φ = 35490356204.

The previous prime is 53235534301. The next prime is 53235534329. The reversal of 53235534309 is 90343553235.

53235534309 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 a cyclic number.

It is not a de Polignac number, because 53235534309 - 2³ = 53235534301 is a prime.

It is a super-2 number, since 2×53235534309² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53235534301) 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, 8872589049 + ... + 8872589054.

It is an arithmetic number, because the mean of its divisors is an integer number (17745178104).

Almost surely, 2^53235534309 is an apocalyptic number.

It is an amenable number.

53235534309 is a deficient number, since it is larger than the sum of its proper divisors (17745178107).

53235534309 is a wasteful number, since it uses less digits than its factorization.

53235534309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17745178106.

The product of its (nonzero) digits is 729000, while the sum is 42.

The spelling of 53235534309 in words is "fifty-three billion, two hundred thirty-five million, five hundred thirty-four thousand, three hundred nine".