55688654579 has 2 divisors, whose sum is σ = 55688654580. Its totient is φ = 55688654578.

The previous prime is 55688654563. The next prime is 55688654611. The reversal of 55688654579 is 97545688655.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55688654579 - 2⁴ = 55688654563 is a prime.

It is not a weakly prime, because it can be changed into another prime (55688654509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27844327289 + 27844327290.

It is an arithmetic number, because the mean of its divisors is an integer number (27844327290).

Almost surely, 2^55688654579 is an apocalyptic number.

55688654579 is a deficient number, since it is larger than the sum of its proper divisors (1).

55688654579 is an equidigital number, since it uses as much as digits as its factorization.

55688654579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880000, while the sum is 68.

The spelling of 55688654579 in words is "fifty-five billion, six hundred eighty-eight million, six hundred fifty-four thousand, five hundred seventy-nine".