55316544561355 has 32 divisors (see below), whose sum is σ = 82760169189888. Its totient is φ = 34482677702400.

The previous prime is 55316544561353. The next prime is 55316544561361.

55316544561355 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55316544561355 - 2¹ = 55316544561353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55316544561355.

It is not an unprimeable number, because it can be changed into a prime (55316544561353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38500240 + ... + 39911170.

It is an arithmetic number, because the mean of its divisors is an integer number (2586255287184).

Almost surely, 2^{55316544561355} is an apocalyptic number.

55316544561355 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55316544561355 is a deficient number, since it is larger than the sum of its proper divisors (27443624628533).

55316544561355 is a wasteful number, since it uses less digits than its factorization.

55316544561355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512787.

The product of its digits is 81000000, while the sum is 58.

The spelling of 55316544561355 in words is "fifty-five trillion, three hundred sixteen billion, five hundred forty-four million, five hundred sixty-one thousand, three hundred fifty-five".