53544891 has 8 divisors (see below), whose sum is σ = 72912384. Its totient is φ = 34937000.

The previous prime is 53544889. The next prime is 53544901. The reversal of 53544891 is 19844535.

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 53544891 - 2¹ = 53544889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53543891) 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, 189735 + ... + 190016.

It is an arithmetic number, because the mean of its divisors is an integer number (9114048).

Almost surely, 2^53544891 is an apocalyptic number.

53544891 is a deficient number, since it is larger than the sum of its proper divisors (19367493).

53544891 is a wasteful number, since it uses less digits than its factorization.

53544891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379801.

The product of its digits is 86400, while the sum is 39.

The square root of 53544891 is about 7317.4374612975. The cubic root of 53544891 is about 376.9114633774.

The spelling of 53544891 in words is "fifty-three million, five hundred forty-four thousand, eight hundred ninety-one".