54509621143 has 2 divisors, whose sum is σ = 54509621144. Its totient is φ = 54509621142.

The previous prime is 54509621137. The next prime is 54509621183. The reversal of 54509621143 is 34112690545.

It is an a-pointer prime, because the next prime (54509621183) can be obtained adding 54509621143 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54509621143 - 2⁹ = 54509620631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54509621096 and 54509621105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54509621183) 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, 27254810571 + 27254810572.

It is an arithmetic number, because the mean of its divisors is an integer number (27254810572).

Almost surely, 2^54509621143 is an apocalyptic number.

54509621143 is a deficient number, since it is larger than the sum of its proper divisors (1).

54509621143 is an equidigital number, since it uses as much as digits as its factorization.

54509621143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 54509621143 in words is "fifty-four billion, five hundred nine million, six hundred twenty-one thousand, one hundred forty-three".