53320512154400 has 72 divisors (see below), whose sum is σ = 130708819857924. Its totient is φ = 21239706009600.

The previous prime is 53320512154397. The next prime is 53320512154453. The reversal of 53320512154400 is 445121502335.

53320512154400 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 6 ways, for example, as 18445959855376 + 34874552299024 = 4294876^2 + 5905468^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 138086537 + ... + 138472136.

Almost surely, 2^{53320512154400} is an apocalyptic number.

53320512154400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53320512154400 is an abundant number, since it is smaller than the sum of its proper divisors (77388307703524).

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

53320512154400 is a wasteful number, since it uses less digits than its factorization.

53320512154400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276558934 (or 276558921 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 53320512154400 its reverse (445121502335), we get a palindrome (53765633656735).

The spelling of 53320512154400 in words is "fifty-three trillion, three hundred twenty billion, five hundred twelve million, one hundred fifty-four thousand, four hundred".