5121306552 has 16 divisors (see below), whose sum is σ = 12803266440. Its totient is φ = 1707102176.

The previous prime is 5121306527. The next prime is 5121306557. The reversal of 5121306552 is 2556031215.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121306557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106693863 + ... + 106693910.

Almost surely, 2^5121306552 is an apocalyptic number.

It is an amenable number.

5121306552 is an abundant number, since it is smaller than the sum of its proper divisors (7681959888).

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

5121306552 is a wasteful number, since it uses less digits than its factorization.

5121306552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213387782 (or 213387778 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 5121306552 is about 71563.3045072682. The cubic root of 5121306552 is about 1723.6943479395.

Adding to 5121306552 its reverse (2556031215), we get a palindrome (7677337767).

The spelling of 5121306552 in words is "five billion, one hundred twenty-one million, three hundred six thousand, five hundred fifty-two".