52406212 has 12 divisors (see below), whose sum is σ = 91762300. Its totient is φ = 26188416.

The previous prime is 52406209. The next prime is 52406227. The reversal of 52406212 is 21260425.

It can be written as a sum of positive squares in 2 ways, for example, as 15634116 + 36772096 = 3954^2 + 6064^2 .

It is a super-2 number, since 2×52406212² = 5492822112377888, which contains 22 as substring.

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, 10048 + ... + 14344.

Almost surely, 2^52406212 is an apocalyptic number.

It is an amenable number.

52406212 is a deficient number, since it is larger than the sum of its proper divisors (39356088).

52406212 is a wasteful number, since it uses less digits than its factorization.

52406212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7350 (or 7348 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 52406212 is about 7239.2134931911. The cubic root of 52406212 is about 374.2205130042.

Adding to 52406212 its reverse (21260425), we get a palindrome (73666637).

The spelling of 52406212 in words is "fifty-two million, four hundred six thousand, two hundred twelve".