51432352000 has 72 divisors (see below), whose sum is σ = 128124497592. Its totient is φ = 20572928000.

The previous prime is 51432351989. The next prime is 51432352033. The reversal of 51432352000 is 25323415.

51432352000 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 4 ways, for example, as 947654656 + 50484697344 = 30784^2 + 224688^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771631 + ... + 835630.

It is an arithmetic number, because the mean of its divisors is an integer number (1779506911).

Almost surely, 2^51432352000 is an apocalyptic number.

51432352000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51432352000 is an abundant number, since it is smaller than the sum of its proper divisors (76692145592).

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

51432352000 is an equidigital number, since it uses as much as digits as its factorization.

51432352000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607292 (or 1607268 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 51432352000 its reverse (25323415), we get a palindrome (51457675415).

The spelling of 51432352000 in words is "fifty-one billion, four hundred thirty-two million, three hundred fifty-two thousand".