54503255509 has 2 divisors, whose sum is σ = 54503255510. Its totient is φ = 54503255508.

The previous prime is 54503255497. The next prime is 54503255531. The reversal of 54503255509 is 90555230545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49858424100 + 4644831409 = 223290^2 + 68153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54503255509 is a prime.

It is a super-2 number, since 2×54503255509² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54503355509) 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, 27251627754 + 27251627755.

It is an arithmetic number, because the mean of its divisors is an integer number (27251627755).

Almost surely, 2^54503255509 is an apocalyptic number.

It is an amenable number.

54503255509 is a deficient number, since it is larger than the sum of its proper divisors (1).

54503255509 is an equidigital number, since it uses as much as digits as its factorization.

54503255509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 675000, while the sum is 43.

The spelling of 54503255509 in words is "fifty-four billion, five hundred three million, two hundred fifty-five thousand, five hundred nine".