55117167517043 has 4 divisors (see below), whose sum is σ = 55117235300880. Its totient is φ = 55117099733208.

The previous prime is 55117167517037. The next prime is 55117167517099. The reversal of 55117167517043 is 34071576171155.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55117167517043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55117167516043) 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, 32657228 + ... + 34303481.

It is an arithmetic number, because the mean of its divisors is an integer number (13779308825220).

Almost surely, 2^{55117167517043} is an apocalyptic number.

55117167517043 is a deficient number, since it is larger than the sum of its proper divisors (67783837).

55117167517043 is an equidigital number, since it uses as much as digits as its factorization.

55117167517043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67783836.

The product of its (nonzero) digits is 3087000, while the sum is 53.

The spelling of 55117167517043 in words is "fifty-five trillion, one hundred seventeen billion, one hundred sixty-seven million, five hundred seventeen thousand, forty-three".