52531212 has 12 divisors (see below), whose sum is σ = 122572856. Its totient is φ = 17510400.

The previous prime is 52531189. The next prime is 52531247. The reversal of 52531212 is 21213525.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2188789 + ... + 2188812.

Almost surely, 2^52531212 is an apocalyptic number.

It is an amenable number.

52531212 is an abundant number, since it is smaller than the sum of its proper divisors (70041644).

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

52531212 is a wasteful number, since it uses less digits than its factorization.

52531212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4377608 (or 4377606 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 52531212 is about 7247.8418856926. The cubic root of 52531212 is about 374.5178086876.

Adding to 52531212 its reverse (21213525), we get a palindrome (73744737).

It can be divided in two parts, 5253 and 1212, that multiplied together give a palindrome (6366636).

The spelling of 52531212 in words is "fifty-two million, five hundred thirty-one thousand, two hundred twelve".