55667822876655 has 32 divisors (see below), whose sum is σ = 100516194293760. Its totient is φ = 26059754071680.

The previous prime is 55667822876609. The next prime is 55667822876663.

It is a happy number.

55667822876655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55667822876655 - 2⁸ = 55667822876399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5816904607 + ... + 5816914176.

It is an arithmetic number, because the mean of its divisors is an integer number (3141131071680).

Almost surely, 2^{55667822876655} is an apocalyptic number.

55667822876655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55667822876655 is a deficient number, since it is larger than the sum of its proper divisors (44848371417105).

55667822876655 is a wasteful number, since it uses less digits than its factorization.

55667822876655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11633818831.

The product of its digits is 10160640000, while the sum is 78.

The spelling of 55667822876655 in words is "fifty-five trillion, six hundred sixty-seven billion, eight hundred twenty-two million, eight hundred seventy-six thousand, six hundred fifty-five".