54217074137 has 2 divisors, whose sum is σ = 54217074138. Its totient is φ = 54217074136.

The previous prime is 54217073929. The next prime is 54217074151. The reversal of 54217074137 is 73147071245.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43555272601 + 10661801536 = 208699^2 + 103256^2 .

It is a cyclic number.

It is not a de Polignac number, because 54217074137 - 2¹² = 54217070041 is a prime.

It is a super-2 number, since 2×54217074137² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54217074094 and 54217074103.

It is not a weakly prime, because it can be changed into another prime (54217074937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27108537068 + 27108537069.

It is an arithmetic number, because the mean of its divisors is an integer number (27108537069).

Almost surely, 2^54217074137 is an apocalyptic number.

It is an amenable number.

54217074137 is a deficient number, since it is larger than the sum of its proper divisors (1).

54217074137 is an equidigital number, since it uses as much as digits as its factorization.

54217074137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164640, while the sum is 41.

The spelling of 54217074137 in words is "fifty-four billion, two hundred seventeen million, seventy-four thousand, one hundred thirty-seven".