52661982 has 8 divisors (see below), whose sum is σ = 105323976. Its totient is φ = 17553992.

The previous prime is 52661969. The next prime is 52661993. The reversal of 52661982 is 28916625.

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

52661982 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 52661982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4388493 + ... + 4388504.

It is an arithmetic number, because the mean of its divisors is an integer number (13165497).

Almost surely, 2^52661982 is an apocalyptic number.

52661982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52661982 is a wasteful number, since it uses less digits than its factorization.

52661982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8777002.

The product of its digits is 51840, while the sum is 39.

The square root of 52661982 is about 7256.8575843818. The cubic root of 52661982 is about 374.8283231953.

The spelling of 52661982 in words is "fifty-two million, six hundred sixty-one thousand, nine hundred eighty-two".