55667736539 has 2 divisors, whose sum is σ = 55667736540. Its totient is φ = 55667736538.

The previous prime is 55667736521. The next prime is 55667736559. The reversal of 55667736539 is 93563776655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55667736539 - 2¹² = 55667732443 is a prime.

It is not a weakly prime, because it can be changed into another prime (55667736559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27833868269 + 27833868270.

It is an arithmetic number, because the mean of its divisors is an integer number (27833868270).

Almost surely, 2^55667736539 is an apocalyptic number.

55667736539 is a deficient number, since it is larger than the sum of its proper divisors (1).

55667736539 is an equidigital number, since it uses as much as digits as its factorization.

55667736539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107163000, while the sum is 62.

The spelling of 55667736539 in words is "fifty-five billion, six hundred sixty-seven million, seven hundred thirty-six thousand, five hundred thirty-nine".