55266164 has 12 divisors (see below), whose sum is σ = 96769764. Its totient is φ = 27617664.

The previous prime is 55266143. The next prime is 55266179. The reversal of 55266164 is 46166255.

It can be written as a sum of positive squares in 2 ways, for example, as 18421264 + 36844900 = 4292^2 + 6070^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8894 + ... + 13770.

It is an arithmetic number, because the mean of its divisors is an integer number (8064147).

Almost surely, 2^55266164 is an apocalyptic number.

It is an amenable number.

55266164 is a deficient number, since it is larger than the sum of its proper divisors (41503600).

55266164 is a wasteful number, since it uses less digits than its factorization.

55266164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7714 (or 7712 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 55266164 is about 7434.1216024491. The cubic root of 55266164 is about 380.9077191699.

Subtracting from 55266164 its reverse (46166255), we obtain a palindrome (9099909).

The spelling of 55266164 in words is "fifty-five million, two hundred sixty-six thousand, one hundred sixty-four".