55645355354655 has 32 divisors (see below), whose sum is σ = 97127949800448. Its totient is φ = 26979146409600.

The previous prime is 55645355354599. The next prime is 55645355354669.

55645355354655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55645355354655 - 2¹¹ = 55645355352607 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, 8145357 + ... + 13328073.

It is an arithmetic number, because the mean of its divisors is an integer number (3035248431264).

Almost surely, 2^{55645355354655} is an apocalyptic number.

55645355354655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55645355354655 is a deficient number, since it is larger than the sum of its proper divisors (41482594445793).

55645355354655 is a wasteful number, since it uses less digits than its factorization.

55645355354655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5247807.

The product of its digits is 2025000000, while the sum is 66.

The spelling of 55645355354655 in words is "fifty-five trillion, six hundred forty-five billion, three hundred fifty-five million, three hundred fifty-four thousand, six hundred fifty-five".