52566650 has 12 divisors (see below), whose sum is σ = 97774062. Its totient is φ = 21026640.

The previous prime is 52566623. The next prime is 52566653. The reversal of 52566650 is 5666525.

It can be written as a sum of positive squares in 3 ways, for example, as 23222761 + 29343889 = 4819^2 + 5417^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52566650.

It is not an unprimeable number, because it can be changed into a prime (52566653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 525617 + ... + 525716.

Almost surely, 2^52566650 is an apocalyptic number.

52566650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52566650 is a deficient number, since it is larger than the sum of its proper divisors (45207412).

52566650 is a wasteful number, since it uses less digits than its factorization.

52566650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051345 (or 1051340 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 52566650 is about 7250.2862012475. The cubic root of 52566650 is about 374.6020073841.

The spelling of 52566650 in words is "fifty-two million, five hundred sixty-six thousand, six hundred fifty".