53455153439 has 2 divisors, whose sum is σ = 53455153440. Its totient is φ = 53455153438.

The previous prime is 53455153421. The next prime is 53455153441. The reversal of 53455153439 is 93435155435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53455153439 - 2³² = 49160186143 is a prime.

It is a Sophie Germain prime.

Together with 53455153441, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53455153393 and 53455153402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53455153639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26727576719 + 26727576720.

It is an arithmetic number, because the mean of its divisors is an integer number (26727576720).

Almost surely, 2^53455153439 is an apocalyptic number.

53455153439 is a deficient number, since it is larger than the sum of its proper divisors (1).

53455153439 is an equidigital number, since it uses as much as digits as its factorization.

53455153439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2430000, while the sum is 47.

The spelling of 53455153439 in words is "fifty-three billion, four hundred fifty-five million, one hundred fifty-three thousand, four hundred thirty-nine".