55662066026655 has 64 divisors (see below), whose sum is σ = 97396189102080. Its totient is φ = 26920852761600.

The previous prime is 55662066026641. The next prime is 55662066026737.

55662066026655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55662066026655 - 2¹⁸ = 55662065764511 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 805273186 + ... + 805342304.

It is an arithmetic number, because the mean of its divisors is an integer number (1521815454720).

Almost surely, 2^{55662066026655} is an apocalyptic number.

55662066026655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55662066026655 is a deficient number, since it is larger than the sum of its proper divisors (41734123075425).

55662066026655 is a wasteful number, since it uses less digits than its factorization.

55662066026655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81152.

The product of its (nonzero) digits is 116640000, while the sum is 60.

The spelling of 55662066026655 in words is "fifty-five trillion, six hundred sixty-two billion, sixty-six million, twenty-six thousand, six hundred fifty-five".