55136566028267 has 4 divisors (see below), whose sum is σ = 57533808029520. Its totient is φ = 52739324027016.

The previous prime is 55136566028261. The next prime is 55136566028303. The reversal of 55136566028267 is 76282066563155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55136566028267 - 2²⁴ = 55136549251051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55136566028261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1198621000592 + ... + 1198621000637.

It is an arithmetic number, because the mean of its divisors is an integer number (14383452007380).

Almost surely, 2^{55136566028267} is an apocalyptic number.

55136566028267 is a deficient number, since it is larger than the sum of its proper divisors (2397242001253).

55136566028267 is a wasteful number, since it uses less digits than its factorization.

55136566028267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397242001252.

The product of its (nonzero) digits is 108864000, while the sum is 62.

The spelling of 55136566028267 in words is "fifty-five trillion, one hundred thirty-six billion, five hundred sixty-six million, twenty-eight thousand, two hundred sixty-seven".