55166241913 has 4 divisors (see below), whose sum is σ = 55220380560. Its totient is φ = 55112103268.

The previous prime is 55166241863. The next prime is 55166241919. The reversal of 55166241913 is 31914266155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55166241913 - 2¹³ = 55166233721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55166241913.

It is not an unprimeable number, because it can be changed into a prime (55166241919) 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, 27067795 + ... + 27069832.

It is an arithmetic number, because the mean of its divisors is an integer number (13805095140).

Almost surely, 2^55166241913 is an apocalyptic number.

It is an amenable number.

55166241913 is a deficient number, since it is larger than the sum of its proper divisors (54138647).

55166241913 is a wasteful number, since it uses less digits than its factorization.

55166241913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54138646.

The product of its digits is 194400, while the sum is 43.

The spelling of 55166241913 in words is "fifty-five billion, one hundred sixty-six million, two hundred forty-one thousand, nine hundred thirteen".