52455997440000 has 3600 divisors, whose sum is σ = 248334478623000. Its totient is φ = 10899947520000.

The previous prime is 52455997439983. The next prime is 52455997440019. The reversal of 52455997440000 is 4479955425.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

52455997440000 is a `hidden beast` number, since 5 + 2 + 4 + 5 + 599 + 7 + 4 + 40 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3600).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 4768727039995 + ... + 4768727040005.

Almost surely, 2^{52455997440000} is an apocalyptic number.

52455997440000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52455997440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124167239311500).

52455997440000 is an abundant number, since it is smaller than the sum of its proper divisors (195878481183000).

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

52455997440000 is an frugal number, since it uses more digits than its factorization.

52455997440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

52455997440000 divided by its sum of digits (54) gives a square (971407360000 = 985600²).

The spelling of 52455997440000 in words is "fifty-two trillion, four hundred fifty-five billion, nine hundred ninety-seven million, four hundred forty thousand".