52404212 has 24 divisors (see below), whose sum is σ = 109366656. Its totient is φ = 21482208.

The previous prime is 52404203. The next prime is 52404239. The reversal of 52404212 is 21240425.

It is a happy number.

It is a super-3 number, since 3×52404212³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40043 + ... + 41330.

It is an arithmetic number, because the mean of its divisors is an integer number (4556944).

Almost surely, 2^52404212 is an apocalyptic number.

It is an amenable number.

52404212 is an abundant number, since it is smaller than the sum of its proper divisors (56962444).

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

52404212 is a wasteful number, since it uses less digits than its factorization.

52404212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81407 (or 81405 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 52404212 is about 7239.0753553199. The cubic root of 52404212 is about 374.2157524328.

Adding to 52404212 its reverse (21240425), we get a palindrome (73644637).

The spelling of 52404212 in words is "fifty-two million, four hundred four thousand, two hundred twelve".