53005012 has 6 divisors (see below), whose sum is σ = 92758778. Its totient is φ = 26502504.

The previous prime is 53004989. The next prime is 53005013. The reversal of 53005012 is 21050035.

It can be written as a sum of positive squares in only one way, i.e., 47969476 + 5035536 = 6926^2 + 2244^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53005013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6625623 + ... + 6625630.

Almost surely, 2^53005012 is an apocalyptic number.

It is an amenable number.

53005012 is a deficient number, since it is larger than the sum of its proper divisors (39753766).

53005012 is a wasteful number, since it uses less digits than its factorization.

53005012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13251257 (or 13251255 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 53005012 is about 7280.4541067161. The cubic root of 53005012 is about 375.6404156176.

Adding to 53005012 its reverse (21050035), we get a palindrome (74055047).

The spelling of 53005012 in words is "fifty-three million, five thousand, twelve".