55016687368907 has 16 divisors (see below), whose sum is σ = 61411519634400. Its totient is φ = 48865079961600.

The previous prime is 55016687368883. The next prime is 55016687368921. The reversal of 55016687368907 is 70986378661055.

It is a cyclic number.

It is not a de Polignac number, because 55016687368907 - 2²⁰ = 55016686320331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55016687368007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275041238 + ... + 275241195.

It is an arithmetic number, because the mean of its divisors is an integer number (3838219977150).

Almost surely, 2^{55016687368907} is an apocalyptic number.

55016687368907 is a deficient number, since it is larger than the sum of its proper divisors (6394832265493).

55016687368907 is a wasteful number, since it uses less digits than its factorization.

55016687368907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550282654.

The product of its (nonzero) digits is 457228800, while the sum is 71.

The spelling of 55016687368907 in words is "fifty-five trillion, sixteen billion, six hundred eighty-seven million, three hundred sixty-eight thousand, nine hundred seven".