55166115 has 32 divisors (see below), whose sum is σ = 91026432. Its totient is φ = 28512000.

The previous prime is 55166087. The next prime is 55166141. The reversal of 55166115 is 51166155.

It is not a de Polignac number, because 55166115 - 2¹⁰ = 55165091 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166500 + ... + 166830.

It is an arithmetic number, because the mean of its divisors is an integer number (2844576).

Almost surely, 2^55166115 is an apocalyptic number.

55166115 is a deficient number, since it is larger than the sum of its proper divisors (35860317).

55166115 is a wasteful number, since it uses less digits than its factorization.

55166115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651.

The product of its digits is 4500, while the sum is 30.

The square root of 55166115 is about 7427.3895144930. The cubic root of 55166115 is about 380.6777263893.

It can be divided in two parts, 551 and 66115, that added together give a palindrome (66666).

The spelling of 55166115 in words is "fifty-five million, one hundred sixty-six thousand, one hundred fifteen".