54684445157 has 2 divisors, whose sum is σ = 54684445158. Its totient is φ = 54684445156.

The previous prime is 54684445147. The next prime is 54684445201. The reversal of 54684445157 is 75154448645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50780819716 + 3903625441 = 225346^2 + 62479^2 .

It is a cyclic number.

It is not a de Polignac number, because 54684445157 - 2⁴ = 54684445141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54684445099 and 54684445108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54684445147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27342222578 + 27342222579.

It is an arithmetic number, because the mean of its divisors is an integer number (27342222579).

Almost surely, 2^54684445157 is an apocalyptic number.

It is an amenable number.

54684445157 is a deficient number, since it is larger than the sum of its proper divisors (1).

54684445157 is an equidigital number, since it uses as much as digits as its factorization.

54684445157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752000, while the sum is 53.

The spelling of 54684445157 in words is "fifty-four billion, six hundred eighty-four million, four hundred forty-five thousand, one hundred fifty-seven".