53108643 has 8 divisors (see below), whose sum is σ = 80927488. Its totient is φ = 30347784.

The previous prime is 53108623. The next prime is 53108651. The reversal of 53108643 is 34680135.

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

It is not a de Polignac number, because 53108643 - 2⁸ = 53108387 is a prime.

It is a super-2 number, since 2×53108643² = 5641055922602898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53108643.

It is not an unprimeable number, because it can be changed into a prime (53108623) 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, 1264471 + ... + 1264512.

It is an arithmetic number, because the mean of its divisors is an integer number (10115936).

Almost surely, 2^53108643 is an apocalyptic number.

53108643 is a deficient number, since it is larger than the sum of its proper divisors (27818845).

53108643 is a wasteful number, since it uses less digits than its factorization.

53108643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528993.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 53108643 is about 7287.5677012293. The cubic root of 53108643 is about 375.8850632359.

Adding to 53108643 its reverse (34680135), we get a palindrome (87788778).

The spelling of 53108643 in words is "fifty-three million, one hundred eight thousand, six hundred forty-three".