51552243152 has 10 divisors (see below), whose sum is σ = 99882471138. Its totient is φ = 25776121568.

The previous prime is 51552243151. The next prime is 51552243167. The reversal of 51552243152 is 25134225515.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 50545830976 + 1006412176 = 224824^2 + 31724^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51552243151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611007583 + ... + 1611007614.

Almost surely, 2^51552243152 is an apocalyptic number.

It is an amenable number.

51552243152 is a deficient number, since it is larger than the sum of its proper divisors (48330227986).

51552243152 is a wasteful number, since it uses less digits than its factorization.

51552243152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222015205 (or 3222015199 counting only the distinct ones).

The product of its digits is 60000, while the sum is 35.

Adding to 51552243152 its reverse (25134225515), we get a palindrome (76686468667).

The spelling of 51552243152 in words is "fifty-one billion, five hundred fifty-two million, two hundred forty-three thousand, one hundred fifty-two".