52643906 has 8 divisors (see below), whose sum is σ = 90246720. Its totient is φ = 22561668.

The previous prime is 52643897. The next prime is 52643909. The reversal of 52643906 is 60934625.

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

It is not an unprimeable number, because it can be changed into a prime (52643909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1880126 + ... + 1880153.

It is an arithmetic number, because the mean of its divisors is an integer number (11280840).

Almost surely, 2^52643906 is an apocalyptic number.

52643906 is a deficient number, since it is larger than the sum of its proper divisors (37602814).

52643906 is a wasteful number, since it uses less digits than its factorization.

52643906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760288.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 52643906 is about 7255.6120348321. The cubic root of 52643906 is about 374.7854322148.

The spelling of 52643906 in words is "fifty-two million, six hundred forty-three thousand, nine hundred six".