53489444 has 12 divisors (see below), whose sum is σ = 97676544. Its totient is φ = 25581864.

The previous prime is 53489441. The next prime is 53489473. The reversal of 53489444 is 44498435.

It is a super-2 number, since 2×53489444² = 5722241238858272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53489441) 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, 290612 + ... + 290795.

It is an arithmetic number, because the mean of its divisors is an integer number (8139712).

Almost surely, 2^53489444 is an apocalyptic number.

It is an amenable number.

53489444 is a deficient number, since it is larger than the sum of its proper divisors (44187100).

53489444 is a wasteful number, since it uses less digits than its factorization.

53489444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581434 (or 581432 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 53489444 is about 7313.6477902617. The cubic root of 53489444 is about 376.7813182017.

The spelling of 53489444 in words is "fifty-three million, four hundred eighty-nine thousand, four hundred forty-four".