53744481 has 24 divisors (see below), whose sum is σ = 90889344. Its totient is φ = 29960640.

The previous prime is 53744447. The next prime is 53744501. The reversal of 53744481 is 18444735.

53744481 is a `hidden beast` number, since 537 + 4 + 44 + 81 = 666.

It is not a de Polignac number, because 53744481 - 2⁶ = 53744417 is a prime.

It is a super-2 number, since 2×53744481² = 5776938475918722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53744081) 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 23 ways as a sum of consecutive naturals, for example, 7821 + ... + 12986.

It is an arithmetic number, because the mean of its divisors is an integer number (3787056).

Almost surely, 2^53744481 is an apocalyptic number.

It is an amenable number.

53744481 is a deficient number, since it is larger than the sum of its proper divisors (37144863).

53744481 is a wasteful number, since it uses less digits than its factorization.

53744481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20861 (or 20858 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 53744481 is about 7331.0627469692. The cubic root of 53744481 is about 377.3791985151.

The spelling of 53744481 in words is "fifty-three million, seven hundred forty-four thousand, four hundred eighty-one".