54520599269 has 2 divisors, whose sum is σ = 54520599270. Its totient is φ = 54520599268.

The previous prime is 54520599209. The next prime is 54520599271. The reversal of 54520599269 is 96299502545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51524460100 + 2996139169 = 226990^2 + 54737^2 .

It is a cyclic number.

It is not a de Polignac number, because 54520599269 - 2⁸ = 54520599013 is a prime.

It is a super-2 number, since 2×54520599269² (a number of 22 digits) contains 22 as substring.

Together with 54520599271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54520599209) 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, 27260299634 + 27260299635.

It is an arithmetic number, because the mean of its divisors is an integer number (27260299635).

Almost surely, 2^54520599269 is an apocalyptic number.

It is an amenable number.

54520599269 is a deficient number, since it is larger than the sum of its proper divisors (1).

54520599269 is an equidigital number, since it uses as much as digits as its factorization.

54520599269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748000, while the sum is 56.

The spelling of 54520599269 in words is "fifty-four billion, five hundred twenty million, five hundred ninety-nine thousand, two hundred sixty-nine".