53322644 has 6 divisors (see below), whose sum is σ = 93314634. Its totient is φ = 26661320.

The previous prime is 53322613. The next prime is 53322653. The reversal of 53322644 is 44622335.

53322644 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., 50951044 + 2371600 = 7138^2 + 1540^2 .

It is a congruent number.

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, 6665327 + ... + 6665334.

It is an arithmetic number, because the mean of its divisors is an integer number (15552439).

Almost surely, 2^53322644 is an apocalyptic number.

It is an amenable number.

53322644 is a deficient number, since it is larger than the sum of its proper divisors (39991990).

53322644 is a wasteful number, since it uses less digits than its factorization.

53322644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13330665 (or 13330663 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 53322644 is about 7302.2355481044. The cubic root of 53322644 is about 376.3892622527.

Adding to 53322644 its reverse (44622335), we get a palindrome (97944979).

The spelling of 53322644 in words is "fifty-three million, three hundred twenty-two thousand, six hundred forty-four".