51552352400 has 30 divisors (see below), whose sum is σ = 123854527602. Its totient is φ = 20620940800.

The previous prime is 51552352393. The next prime is 51552352403. The reversal of 51552352400 is 425325515.

It can be written as a sum of positive squares in 3 ways, for example, as 758011024 + 50794341376 = 27532^2 + 225376^2 .

It is not an unprimeable number, because it can be changed into a prime (51552352403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64440041 + ... + 64440840.

Almost surely, 2^51552352400 is an apocalyptic number.

51552352400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51552352400 is an abundant number, since it is smaller than the sum of its proper divisors (72302175202).

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

51552352400 is a wasteful number, since it uses less digits than its factorization.

51552352400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128880899 (or 128880888 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 51552352400 its reverse (425325515), we get a palindrome (51977677915).

The spelling of 51552352400 in words is "fifty-one billion, five hundred fifty-two million, three hundred fifty-two thousand, four hundred".