51232201452 has 18 divisors (see below), whose sum is σ = 129503620428. Its totient is φ = 17077400472.

The previous prime is 51232201451. The next prime is 51232201459. The reversal of 51232201452 is 25410223215.

51232201452 is a `hidden beast` number, since 5 + 1 + 2 + 3 + 2 + 201 + 452 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (51232201451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 711558318 + ... + 711558389.

Almost surely, 2^51232201452 is an apocalyptic number.

It is an amenable number.

51232201452 is an abundant number, since it is smaller than the sum of its proper divisors (78271418976).

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

51232201452 is a wasteful number, since it uses less digits than its factorization.

51232201452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423116717 (or 1423116712 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 51232201452 its reverse (25410223215), we get a palindrome (76642424667).

The spelling of 51232201452 in words is "fifty-one billion, two hundred thirty-two million, two hundred one thousand, four hundred fifty-two".