53338243547 has 4 divisors (see below), whose sum is σ = 53390588280. Its totient is φ = 53285898816.

The previous prime is 53338243493. The next prime is 53338243571. The reversal of 53338243547 is 74534283335.

53338243547 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 an emirpimes, since its reverse is a distinct semiprime: 74534283335 = 5 ⋅14906856667.

It is a cyclic number.

It is not a de Polignac number, because 53338243547 - 2²² = 53334049243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53338243747) 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, 26170838 + ... + 26172875.

It is an arithmetic number, because the mean of its divisors is an integer number (13347647070).

Almost surely, 2^53338243547 is an apocalyptic number.

53338243547 is a deficient number, since it is larger than the sum of its proper divisors (52344733).

53338243547 is a wasteful number, since it uses less digits than its factorization.

53338243547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52344732.

The product of its digits is 3628800, while the sum is 47.

The spelling of 53338243547 in words is "fifty-three billion, three hundred thirty-eight million, two hundred forty-three thousand, five hundred forty-seven".