52643402 has 8 divisors (see below), whose sum is σ = 90245856. Its totient is φ = 22561452.

The previous prime is 52643369. The next prime is 52643449. The reversal of 52643402 is 20434625.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1880108 + ... + 1880135.

It is an arithmetic number, because the mean of its divisors is an integer number (11280732).

Almost surely, 2^52643402 is an apocalyptic number.

52643402 is a deficient number, since it is larger than the sum of its proper divisors (37602454).

52643402 is a wasteful number, since it uses less digits than its factorization.

52643402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760252.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 52643402 is about 7255.5773030132. The cubic root of 52643402 is about 374.7842361760.

The spelling of 52643402 in words is "fifty-two million, six hundred forty-three thousand, four hundred two".