55216464544361 has 8 divisors (see below), whose sum is σ = 56040801696960. Its totient is φ = 54392133592368.

The previous prime is 55216464544259. The next prime is 55216464544369. The reversal of 55216464544361 is 16344546461255.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55216464544361 - 2³⁴ = 55199284675177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55216464544297 and 55216464544306.

It is not an unprimeable number, because it can be changed into a prime (55216464544369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18270515 + ... + 21077111.

It is an arithmetic number, because the mean of its divisors is an integer number (7005100212120).

Almost surely, 2^{55216464544361} is an apocalyptic number.

It is an amenable number.

55216464544361 is a deficient number, since it is larger than the sum of its proper divisors (824337152599).

55216464544361 is a wasteful number, since it uses less digits than its factorization.

55216464544361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100303.

The product of its digits is 41472000, while the sum is 56.

The spelling of 55216464544361 in words is "fifty-five trillion, two hundred sixteen billion, four hundred sixty-four million, five hundred forty-four thousand, three hundred sixty-one".