53744581 has 8 divisors (see below), whose sum is σ = 58794624. Its totient is φ = 48721920.

The previous prime is 53744573. The next prime is 53744591. The reversal of 53744581 is 18544735.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53744581 - 2³ = 53744573 is a prime.

It is a super-2 number, since 2×53744581² = 5776959973731122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53744581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53744501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2620 + ... + 10693.

It is an arithmetic number, because the mean of its divisors is an integer number (7349328).

Almost surely, 2^53744581 is an apocalyptic number.

It is an amenable number.

53744581 is a deficient number, since it is larger than the sum of its proper divisors (5050043).

53744581 is a wasteful number, since it uses less digits than its factorization.

53744581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13691.

The product of its digits is 67200, while the sum is 37.

The square root of 53744581 is about 7331.0695672596. The cubic root of 53744581 is about 377.3794325726.

The spelling of 53744581 in words is "fifty-three million, seven hundred forty-four thousand, five hundred eighty-one".