55166113 has 4 divisors (see below), whose sum is σ = 55343808. Its totient is φ = 54988420.

The previous prime is 55166087. The next prime is 55166141. The reversal of 55166113 is 31166155.

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 55166113 - 2⁹ = 55165601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55169113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88381 + ... + 89002.

It is an arithmetic number, because the mean of its divisors is an integer number (13835952).

Almost surely, 2^55166113 is an apocalyptic number.

It is an amenable number.

55166113 is a deficient number, since it is larger than the sum of its proper divisors (177695).

55166113 is a wasteful number, since it uses less digits than its factorization.

55166113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177694.

The product of its digits is 2700, while the sum is 28.

The square root of 55166113 is about 7427.3893798562. The cubic root of 55166113 is about 380.6777217889.

The spelling of 55166113 in words is "fifty-five million, one hundred sixty-six thousand, one hundred thirteen".