55120306042547 has 2 divisors, whose sum is σ = 55120306042548. Its totient is φ = 55120306042546.

The previous prime is 55120306042453. The next prime is 55120306042561. The reversal of 55120306042547 is 74524060302155.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55120306042547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55120306042498 and 55120306042507.

It is not a weakly prime, because it can be changed into another prime (55120306042247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27560153021273 + 27560153021274.

It is an arithmetic number, because the mean of its divisors is an integer number (27560153021274).

Almost surely, 2^{55120306042547} is an apocalyptic number.

55120306042547 is a deficient number, since it is larger than the sum of its proper divisors (1).

55120306042547 is an equidigital number, since it uses as much as digits as its factorization.

55120306042547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 55120306042547 in words is "fifty-five trillion, one hundred twenty billion, three hundred six million, forty-two thousand, five hundred forty-seven".