54415222709 has 2 divisors, whose sum is σ = 54415222710. Its totient is φ = 54415222708.

The previous prime is 54415222643. The next prime is 54415222711. The reversal of 54415222709 is 90722251445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53613087025 + 802135684 = 231545^2 + 28322^2 .

It is a cyclic number.

It is not a de Polignac number, because 54415222709 - 2⁸ = 54415222453 is a prime.

It is a super-2 number, since 2×54415222709² (a number of 22 digits) contains 22 as substring.

Together with 54415222711, 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 (54415221709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27207611354 + 27207611355.

It is an arithmetic number, because the mean of its divisors is an integer number (27207611355).

Almost surely, 2^54415222709 is an apocalyptic number.

It is an amenable number.

54415222709 is a deficient number, since it is larger than the sum of its proper divisors (1).

54415222709 is an equidigital number, since it uses as much as digits as its factorization.

54415222709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 54415222709 in words is "fifty-four billion, four hundred fifteen million, two hundred twenty-two thousand, seven hundred nine".