55542624427 has 2 divisors, whose sum is σ = 55542624428. Its totient is φ = 55542624426.

The previous prime is 55542624421. The next prime is 55542624433. The reversal of 55542624427 is 72442624555.

It is a balanced prime because it is at equal distance from previous prime (55542624421) and next prime (55542624433).

It is a cyclic number.

It is not a de Polignac number, because 55542624427 - 2¹⁹ = 55542100139 is a prime.

It is not a weakly prime, because it can be changed into another prime (55542624421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27771312213 + 27771312214.

It is an arithmetic number, because the mean of its divisors is an integer number (27771312214).

Almost surely, 2^55542624427 is an apocalyptic number.

55542624427 is a deficient number, since it is larger than the sum of its proper divisors (1).

55542624427 is an equidigital number, since it uses as much as digits as its factorization.

55542624427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688000, while the sum is 46.

The spelling of 55542624427 in words is "fifty-five billion, five hundred forty-two million, six hundred twenty-four thousand, four hundred twenty-seven".