52445012 has 12 divisors (see below), whose sum is σ = 91837620. Its totient is φ = 26205696.

The previous prime is 52444981. The next prime is 52445033. The reversal of 52445012 is 21054425.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12931216 + 39513796 = 3596^2 + 6286^2 .

It is a congruent number.

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, 5108 + ... + 11444.

It is an arithmetic number, because the mean of its divisors is an integer number (7653135).

Almost surely, 2^52445012 is an apocalyptic number.

It is an amenable number.

52445012 is a deficient number, since it is larger than the sum of its proper divisors (39392608).

52445012 is a wasteful number, since it uses less digits than its factorization.

52445012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8410 (or 8408 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 52445012 is about 7241.8928464870. The cubic root of 52445012 is about 374.3128441325.

Adding to 52445012 its reverse (21054425), we get a palindrome (73499437).

The spelling of 52445012 in words is "fifty-two million, four hundred forty-five thousand, twelve".