52606220 has 24 divisors (see below), whose sum is σ = 111549984. Its totient is φ = 20837376.

The previous prime is 52606181. The next prime is 52606271. The reversal of 52606220 is 2260625.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 10709 + ... + 14828.

It is an arithmetic number, because the mean of its divisors is an integer number (4647916).

Almost surely, 2^52606220 is an apocalyptic number.

It is an amenable number.

52606220 is an abundant number, since it is smaller than the sum of its proper divisors (58943764).

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

52606220 is a wasteful number, since it uses less digits than its factorization.

52606220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25649 (or 25647 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 52606220 is about 7253.0145456906. The cubic root of 52606220 is about 374.6959787747.

Adding to 52606220 its reverse (2260625), we get a palindrome (54866845).

Subtracting from 52606220 its reverse (2260625), we obtain a triangular number (50345595 = T₁₀₀₃₄).

The spelling of 52606220 in words is "fifty-two million, six hundred six thousand, two hundred twenty".