54660278957 has 2 divisors, whose sum is σ = 54660278958. Its totient is φ = 54660278956.

The previous prime is 54660278899. The next prime is 54660278971. The reversal of 54660278957 is 75987206645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48236897641 + 6423381316 = 219629^2 + 80146^2 .

It is a cyclic number.

It is not a de Polignac number, because 54660278957 - 2¹² = 54660274861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54660278896 and 54660278905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54660274957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27330139478 + 27330139479.

It is an arithmetic number, because the mean of its divisors is an integer number (27330139479).

Almost surely, 2^54660278957 is an apocalyptic number.

It is an amenable number.

54660278957 is a deficient number, since it is larger than the sum of its proper divisors (1).

54660278957 is an equidigital number, since it uses as much as digits as its factorization.

54660278957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 54660278957 in words is "fifty-four billion, six hundred sixty million, two hundred seventy-eight thousand, nine hundred fifty-seven".