53667543 has 8 divisors (see below), whose sum is σ = 71596288. Its totient is φ = 35758584.

The previous prime is 53667539. The next prime is 53667553. The reversal of 53667543 is 34576635.

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

It is not a de Polignac number, because 53667543 - 2² = 53667539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53667503) 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, 3396 + ... + 10902.

It is an arithmetic number, because the mean of its divisors is an integer number (8949536).

Almost surely, 2^53667543 is an apocalyptic number.

53667543 is a deficient number, since it is larger than the sum of its proper divisors (17928745).

53667543 is a wasteful number, since it uses less digits than its factorization.

53667543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9893.

The product of its digits is 226800, while the sum is 39.

The square root of 53667543 is about 7325.8134701888. The cubic root of 53667543 is about 377.1990332454.

The spelling of 53667543 in words is "fifty-three million, six hundred sixty-seven thousand, five hundred forty-three".