55057148467187 has 2 divisors, whose sum is σ = 55057148467188. Its totient is φ = 55057148467186.

The previous prime is 55057148467129. The next prime is 55057148467253. The reversal of 55057148467187 is 78176484175055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55057148467187 - 2¹⁸ = 55057148205043 is a prime.

It is not a weakly prime, because it can be changed into another prime (55057148467487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27528574233593 + 27528574233594.

It is an arithmetic number, because the mean of its divisors is an integer number (27528574233594).

Almost surely, 2^{55057148467187} is an apocalyptic number.

55057148467187 is a deficient number, since it is larger than the sum of its proper divisors (1).

55057148467187 is an equidigital number, since it uses as much as digits as its factorization.

55057148467187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 263424000, while the sum is 68.

The spelling of 55057148467187 in words is "fifty-five trillion, fifty-seven billion, one hundred forty-eight million, four hundred sixty-seven thousand, one hundred eighty-seven".