53332643 has 8 divisors (see below), whose sum is σ = 65640288. Its totient is φ = 42197184.

The previous prime is 53332567. The next prime is 53332667. The reversal of 53332643 is 34623335.

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 53332643 - 2⁸ = 53332387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53332243) 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, 292946 + ... + 293127.

It is an arithmetic number, because the mean of its divisors is an integer number (8205036).

Almost surely, 2^53332643 is an apocalyptic number.

53332643 is a deficient number, since it is larger than the sum of its proper divisors (12307645).

53332643 is a wasteful number, since it uses less digits than its factorization.

53332643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586093.

The product of its digits is 19440, while the sum is 29.

The square root of 53332643 is about 7302.9201693569. The cubic root of 53332643 is about 376.4127874741.

Adding to 53332643 its reverse (34623335), we get a palindrome (87955978).

The spelling of 53332643 in words is "fifty-three million, three hundred thirty-two thousand, six hundred forty-three".