53451322519873 has 2 divisors, whose sum is σ = 53451322519874. Its totient is φ = 53451322519872.

The previous prime is 53451322519823. The next prime is 53451322519877. The reversal of 53451322519873 is 37891522315435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43142394114369 + 10308928405504 = 6568287^2 + 3210752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53451322519873 is a prime.

It is a super-2 number, since 2×53451322519873² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53451322519877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26725661259936 + 26725661259937.

It is an arithmetic number, because the mean of its divisors is an integer number (26725661259937).

Almost surely, 2^{53451322519873} is an apocalyptic number.

It is an amenable number.

53451322519873 is a deficient number, since it is larger than the sum of its proper divisors (1).

53451322519873 is an equidigital number, since it uses as much as digits as its factorization.

53451322519873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216000, while the sum is 58.

The spelling of 53451322519873 in words is "fifty-three trillion, four hundred fifty-one billion, three hundred twenty-two million, five hundred nineteen thousand, eight hundred seventy-three".