55666334535 has 32 divisors (see below), whose sum is σ = 101989946880. Its totient is φ = 25397447808.

The previous prime is 55666334473. The next prime is 55666334561. The reversal of 55666334535 is 53543366655.

It is not a de Polignac number, because 55666334535 - 2⁸ = 55666334279 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 467337 + ... + 574226.

It is an arithmetic number, because the mean of its divisors is an integer number (3187185840).

Almost surely, 2^55666334535 is an apocalyptic number.

55666334535 is a deficient number, since it is larger than the sum of its proper divisors (46323612345).

55666334535 is a wasteful number, since it uses less digits than its factorization.

55666334535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042087.

The product of its digits is 14580000, while the sum is 51.

The spelling of 55666334535 in words is "fifty-five billion, six hundred sixty-six million, three hundred thirty-four thousand, five hundred thirty-five".