53544839 has 2 divisors, whose sum is σ = 53544840. Its totient is φ = 53544838.

The previous prime is 53544779. The next prime is 53544889. The reversal of 53544839 is 93844535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53544839 - 2¹⁶ = 53479303 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53544796 and 53544805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53544889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26772419 + 26772420.

It is an arithmetic number, because the mean of its divisors is an integer number (26772420).

Almost surely, 2^53544839 is an apocalyptic number.

53544839 is a deficient number, since it is larger than the sum of its proper divisors (1).

53544839 is an equidigital number, since it uses as much as digits as its factorization.

53544839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 41.

The square root of 53544839 is about 7317.4339081402. The cubic root of 53544839 is about 376.9113413651.

The spelling of 53544839 in words is "fifty-three million, five hundred forty-four thousand, eight hundred thirty-nine".