53144858321 has 2 divisors, whose sum is σ = 53144858322. Its totient is φ = 53144858320.

The previous prime is 53144858311. The next prime is 53144858323. The reversal of 53144858321 is 12385844135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44893134400 + 8251723921 = 211880^2 + 90839^2 .

It is a cyclic number.

It is not a de Polignac number, because 53144858321 - 2²⁶ = 53077749457 is a prime.

Together with 53144858323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53144858323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26572429160 + 26572429161.

It is an arithmetic number, because the mean of its divisors is an integer number (26572429161).

Almost surely, 2^53144858321 is an apocalyptic number.

It is an amenable number.

53144858321 is a deficient number, since it is larger than the sum of its proper divisors (1).

53144858321 is an equidigital number, since it uses as much as digits as its factorization.

53144858321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 460800, while the sum is 44.

The spelling of 53144858321 in words is "fifty-three billion, one hundred forty-four million, eight hundred fifty-eight thousand, three hundred twenty-one".