52659866 has 8 divisors (see below), whose sum is σ = 90274080. Its totient is φ = 22568508.

The previous prime is 52659851. The next prime is 52659869. The reversal of 52659866 is 66895625.

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

It is a super-2 number, since 2×52659866² = 5546122974275912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52659866.

It is not an unprimeable number, because it can be changed into a prime (52659869) 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, 1880696 + ... + 1880723.

It is an arithmetic number, because the mean of its divisors is an integer number (11284260).

Almost surely, 2^52659866 is an apocalyptic number.

52659866 is a deficient number, since it is larger than the sum of its proper divisors (37614214).

52659866 is a wasteful number, since it uses less digits than its factorization.

52659866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761428.

The product of its digits is 777600, while the sum is 47.

The square root of 52659866 is about 7256.7117897847. The cubic root of 52659866 is about 374.8233028288.

The spelling of 52659866 in words is "fifty-two million, six hundred fifty-nine thousand, eight hundred sixty-six".