55257826 has 16 divisors (see below), whose sum is σ = 90728568. Its totient is φ = 25084800.

The previous prime is 55257823. The next prime is 55257857. The reversal of 55257826 is 62875255.

55257826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11895601 + 43362225 = 3449^2 + 6585^2 .

It is not an unprimeable number, because it can be changed into a prime (55257823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15835 + ... + 19006.

Almost surely, 2^55257826 is an apocalyptic number.

55257826 is a deficient number, since it is larger than the sum of its proper divisors (35470742).

55257826 is a wasteful number, since it uses less digits than its factorization.

55257826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34917.

The product of its digits is 168000, while the sum is 40.

The square root of 55257826 is about 7433.5607887472. The cubic root of 55257826 is about 380.8885623715. Note that the first 3 decimals are identical.

The spelling of 55257826 in words is "fifty-five million, two hundred fifty-seven thousand, eight hundred twenty-six".