53660228 has 12 divisors (see below), whose sum is σ = 99429372. Its totient is φ = 25251840.

The previous prime is 53660227. The next prime is 53660261. The reversal of 53660228 is 82206635.

It can be written as a sum of positive squares in 2 ways, for example, as 37724164 + 15936064 = 6142^2 + 3992^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53660194 and 53660203.

It is not an unprimeable number, because it can be changed into a prime (53660227) 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, 394493 + ... + 394628.

It is an arithmetic number, because the mean of its divisors is an integer number (8285781).

Almost surely, 2^53660228 is an apocalyptic number.

It is an amenable number.

53660228 is a deficient number, since it is larger than the sum of its proper divisors (45769144).

53660228 is a wasteful number, since it uses less digits than its factorization.

53660228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789142 (or 789140 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 53660228 is about 7325.3141912139. The cubic root of 53660228 is about 377.1818947905.

The spelling of 53660228 in words is "fifty-three million, six hundred sixty thousand, two hundred twenty-eight".