54164659169 has 2 divisors, whose sum is σ = 54164659170. Its totient is φ = 54164659168.

The previous prime is 54164659121. The next prime is 54164659177. The reversal of 54164659169 is 96195646145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28927206400 + 25237452769 = 170080^2 + 158863^2 .

It is a cyclic number.

It is not a de Polignac number, because 54164659169 - 2⁸ = 54164658913 is a prime.

It is a super-2 number, since 2×54164659169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54164659369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27082329584 + 27082329585.

It is an arithmetic number, because the mean of its divisors is an integer number (27082329585).

Almost surely, 2^54164659169 is an apocalyptic number.

It is an amenable number.

54164659169 is a deficient number, since it is larger than the sum of its proper divisors (1).

54164659169 is an equidigital number, since it uses as much as digits as its factorization.

54164659169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6998400, while the sum is 56.

The spelling of 54164659169 in words is "fifty-four billion, one hundred sixty-four million, six hundred fifty-nine thousand, one hundred sixty-nine".