53544869 has 8 divisors (see below), whose sum is σ = 64415040. Its totient is φ = 43479936.

The previous prime is 53544839. The next prime is 53544889. The reversal of 53544869 is 96844535.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53544869 is a prime.

It is a super-2 number, since 2×53544869² = 5734105992454322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53544839) 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, 201164 + ... + 201429.

It is an arithmetic number, because the mean of its divisors is an integer number (8051880).

Almost surely, 2^53544869 is an apocalyptic number.

It is an amenable number.

53544869 is a deficient number, since it is larger than the sum of its proper divisors (10870171).

53544869 is a wasteful number, since it uses less digits than its factorization.

53544869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402619.

The product of its digits is 518400, while the sum is 44.

The square root of 53544869 is about 7317.4359580389. The cubic root of 53544869 is about 376.9114117568.

The spelling of 53544869 in words is "fifty-three million, five hundred forty-four thousand, eight hundred sixty-nine".