53015012 has 6 divisors (see below), whose sum is σ = 92776278. Its totient is φ = 26507504.

The previous prime is 53015003. The next prime is 53015029. The reversal of 53015012 is 21051035.

53015012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 28472896 + 24542116 = 5336^2 + 4954^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6626873 + ... + 6626880.

It is an arithmetic number, because the mean of its divisors is an integer number (15462713).

Almost surely, 2^53015012 is an apocalyptic number.

It is an amenable number.

53015012 is a deficient number, since it is larger than the sum of its proper divisors (39761266).

53015012 is a wasteful number, since it uses less digits than its factorization.

53015012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13253757 (or 13253755 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 53015012 is about 7281.1408446754. The cubic root of 53015012 is about 375.6640370816.

Adding to 53015012 its reverse (21051035), we get a palindrome (74066047).

The spelling of 53015012 in words is "fifty-three million, fifteen thousand, twelve".