55316513441455 has 16 divisors (see below), whose sum is σ = 75862769817600. Its totient is φ = 37931262096672.

The previous prime is 55316513441437. The next prime is 55316513441531. The reversal of 55316513441455 is 55414431561355.

It is a happy number.

It is not a de Polignac number, because 55316513441455 - 2³³ = 55307923506863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35725872 + ... + 37242058.

It is an arithmetic number, because the mean of its divisors is an integer number (4741423113600).

Almost surely, 2^{55316513441455} is an apocalyptic number.

55316513441455 is a deficient number, since it is larger than the sum of its proper divisors (20546256376145).

55316513441455 is a wasteful number, since it uses less digits than its factorization.

55316513441455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558598.

The product of its digits is 10800000, while the sum is 52.

The spelling of 55316513441455 in words is "fifty-five trillion, three hundred sixteen billion, five hundred thirteen million, four hundred forty-one thousand, four hundred fifty-five".