55364644646355 has 32 divisors (see below), whose sum is σ = 100838056343040. Its totient is φ = 25676356935680.

The previous prime is 55364644646341. The next prime is 55364644646429.

It is a happy number.

55364644646355 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55364644646355 - 2¹⁷ = 55364644515283 is a prime.

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, 7294415790 + ... + 7294423379.

It is an arithmetic number, because the mean of its divisors is an integer number (3151189260720).

Almost surely, 2^{55364644646355} is an apocalyptic number.

55364644646355 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55364644646355 is a deficient number, since it is larger than the sum of its proper divisors (45473411696685).

55364644646355 is a wasteful number, since it uses less digits than its factorization.

55364644646355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14588839211.

The product of its digits is 1866240000, while the sum is 66.

The spelling of 55364644646355 in words is "fifty-five trillion, three hundred sixty-four billion, six hundred forty-four million, six hundred forty-six thousand, three hundred fifty-five".