54129627578773 has 2 divisors, whose sum is σ = 54129627578774. Its totient is φ = 54129627578772.

The previous prime is 54129627578729. The next prime is 54129627578837. The reversal of 54129627578773 is 37787572692145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29912225208849 + 24217402369924 = 5469207^2 + 4921118^2 .

It is a cyclic number.

It is not a de Polignac number, because 54129627578773 - 2²¹ = 54129625481621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54129627578696 and 54129627578705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54129627578473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27064813789386 + 27064813789387.

It is an arithmetic number, because the mean of its divisors is an integer number (27064813789387).

Almost surely, 2^{54129627578773} is an apocalyptic number.

It is an amenable number.

54129627578773 is a deficient number, since it is larger than the sum of its proper divisors (1).

54129627578773 is an equidigital number, since it uses as much as digits as its factorization.

54129627578773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244678400, while the sum is 73.

The spelling of 54129627578773 in words is "fifty-four trillion, one hundred twenty-nine billion, six hundred twenty-seven million, five hundred seventy-eight thousand, seven hundred seventy-three".