52446638 has 8 divisors (see below), whose sum is σ = 78999840. Its totient is φ = 26113360.

The previous prime is 52446629. The next prime is 52446731. The reversal of 52446638 is 83664425.

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

It is a congruent number.

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, 54383 + ... + 55338.

It is an arithmetic number, because the mean of its divisors is an integer number (9874980).

Almost surely, 2^52446638 is an apocalyptic number.

52446638 is a deficient number, since it is larger than the sum of its proper divisors (26553202).

52446638 is a wasteful number, since it uses less digits than its factorization.

52446638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109962.

The product of its digits is 138240, while the sum is 38.

The square root of 52446638 is about 7242.0051090841. The cubic root of 52446638 is about 374.3167124787.

The spelling of 52446638 in words is "fifty-two million, four hundred forty-six thousand, six hundred thirty-eight".