55121567007067 has 16 divisors (see below), whose sum is σ = 61600714721280. Its totient is φ = 48887159406400.

The previous prime is 55121567007029. The next prime is 55121567007083. The reversal of 55121567007067 is 76070076512155.

It is a cyclic number.

It is not a de Polignac number, because 55121567007067 - 2⁷ = 55121567006939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55121567007007) 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, 18079734 + ... + 20907412.

It is an arithmetic number, because the mean of its divisors is an integer number (3850044670080).

Almost surely, 2^{55121567007067} is an apocalyptic number.

55121567007067 is a deficient number, since it is larger than the sum of its proper divisors (6479147714213).

55121567007067 is a wasteful number, since it uses less digits than its factorization.

55121567007067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870954.

The product of its (nonzero) digits is 3087000, while the sum is 52.

The spelling of 55121567007067 in words is "fifty-five trillion, one hundred twenty-one billion, five hundred sixty-seven million, seven thousand, sixty-seven".