52666650 has 36 divisors (see below), whose sum is σ = 141498942. Its totient is φ = 14044320.

The previous prime is 52666637. The next prime is 52666667. The reversal of 52666650 is 5666625.

It can be written as a sum of positive squares in 3 ways, for example, as 48734361 + 3932289 = 6981^2 + 1983^2 .

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 17 ways as a sum of consecutive naturals, for example, 58069 + ... + 58968.

Almost surely, 2^52666650 is an apocalyptic number.

52666650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52666650 is an abundant number, since it is smaller than the sum of its proper divisors (88832292).

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

52666650 is a wasteful number, since it uses less digits than its factorization.

52666650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117055 (or 117047 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 52666650 is about 7257.1792040710. The cubic root of 52666650 is about 374.8393978951.

It can be divided in two parts, 526 and 66650, that added together give a palindrome (67176).

The spelling of 52666650 in words is "fifty-two million, six hundred sixty-six thousand, six hundred fifty".