53657224 has 8 divisors (see below), whose sum is σ = 100607310. Its totient is φ = 26828608.

The previous prime is 53657209. The next prime is 53657237. The reversal of 53657224 is 42275635.

53657224 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 only one way, i.e., 28836900 + 24820324 = 5370^2 + 4982^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 53657224.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3353569 + ... + 3353584.

Almost surely, 2^53657224 is an apocalyptic number.

It is an amenable number.

53657224 is a deficient number, since it is larger than the sum of its proper divisors (46950086).

53657224 is a wasteful number, since it uses less digits than its factorization.

53657224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707159 (or 6707155 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 53657224 is about 7325.1091459445. The cubic root of 53657224 is about 377.1748562097.

The spelling of 53657224 in words is "fifty-three million, six hundred fifty-seven thousand, two hundred twenty-four".