53542921573 has 2 divisors, whose sum is σ = 53542921574. Its totient is φ = 53542921572.

The previous prime is 53542921499. The next prime is 53542921609. The reversal of 53542921573 is 37512924535.

53542921573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53129328004 + 413593569 = 230498^2 + 20337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53542921573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53542921973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26771460786 + 26771460787.

It is an arithmetic number, because the mean of its divisors is an integer number (26771460787).

Almost surely, 2^53542921573 is an apocalyptic number.

It is an amenable number.

53542921573 is a deficient number, since it is larger than the sum of its proper divisors (1).

53542921573 is an equidigital number, since it uses as much as digits as its factorization.

53542921573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134000, while the sum is 46.

The spelling of 53542921573 in words is "fifty-three billion, five hundred forty-two million, nine hundred twenty-one thousand, five hundred seventy-three".