55136254847 has 2 divisors, whose sum is σ = 55136254848. Its totient is φ = 55136254846.

The previous prime is 55136254829. The next prime is 55136254889. The reversal of 55136254847 is 74845263155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55136254847 - 2⁶ = 55136254783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55136254795 and 55136254804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55136244847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27568127423 + 27568127424.

It is an arithmetic number, because the mean of its divisors is an integer number (27568127424).

Almost surely, 2^55136254847 is an apocalyptic number.

55136254847 is a deficient number, since it is larger than the sum of its proper divisors (1).

55136254847 is an equidigital number, since it uses as much as digits as its factorization.

55136254847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032000, while the sum is 50.

The spelling of 55136254847 in words is "fifty-five billion, one hundred thirty-six million, two hundred fifty-four thousand, eight hundred forty-seven".