54136637615069 has 2 divisors, whose sum is σ = 54136637615070. Its totient is φ = 54136637615068.

The previous prime is 54136637615033. The next prime is 54136637615089. The reversal of 54136637615069 is 96051673663145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43631811171844 + 10504826443225 = 6605438^2 + 3241115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54136637615069 is a prime.

It is a super-2 number, since 2×54136637615069² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54136637615089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27068318807534 + 27068318807535.

It is an arithmetic number, because the mean of its divisors is an integer number (27068318807535).

Almost surely, 2^{54136637615069} is an apocalyptic number.

It is an amenable number.

54136637615069 is a deficient number, since it is larger than the sum of its proper divisors (1).

54136637615069 is an equidigital number, since it uses as much as digits as its factorization.

54136637615069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73483200, while the sum is 62.

The spelling of 54136637615069 in words is "fifty-four trillion, one hundred thirty-six billion, six hundred thirty-seven million, six hundred fifteen thousand, sixty-nine".