53432243 has 8 divisors (see below), whose sum is σ = 56048928. Its totient is φ = 50840064.

The previous prime is 53432231. The next prime is 53432263. The reversal of 53432243 is 34223435.

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 53432243 - 2²² = 49237939 is a prime.

It is a super-2 number, since 2×53432243² = 5710009184022098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53432263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1580 + ... + 10457.

It is an arithmetic number, because the mean of its divisors is an integer number (7006116).

Almost surely, 2^53432243 is an apocalyptic number.

53432243 is a deficient number, since it is larger than the sum of its proper divisors (2616685).

53432243 is a wasteful number, since it uses less digits than its factorization.

53432243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12253.

The product of its digits is 8640, while the sum is 26.

The square root of 53432243 is about 7309.7361785498. The cubic root of 53432243 is about 376.6469617523.

Adding to 53432243 its reverse (34223435), we get a palindrome (87655678).

The spelling of 53432243 in words is "fifty-three million, four hundred thirty-two thousand, two hundred forty-three".