53103012 has 12 divisors (see below), whose sum is σ = 123907056. Its totient is φ = 17701000.

The previous prime is 53102993. The next prime is 53103013. The reversal of 53103012 is 21030135.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 53102982 and 53103000.

It is not an unprimeable number, because it can be changed into a prime (53103013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2212614 + ... + 2212637.

It is an arithmetic number, because the mean of its divisors is an integer number (10325588).

Almost surely, 2^53103012 is an apocalyptic number.

It is an amenable number.

53103012 is an abundant number, since it is smaller than the sum of its proper divisors (70804044).

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

53103012 is a wasteful number, since it uses less digits than its factorization.

53103012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425258 (or 4425256 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 53103012 is about 7287.1813480934. The cubic root of 53103012 is about 375.8717779934.

Adding to 53103012 its reverse (21030135), we get a palindrome (74133147).

The spelling of 53103012 in words is "fifty-three million, one hundred three thousand, twelve".