52551130044240 has 240 divisors, whose sum is σ = 182581299763200. Its totient is φ = 13529559149568.

The previous prime is 52551130044239. The next prime is 52551130044263. The reversal of 52551130044240 is 4244003115525.

52551130044240 is a `hidden beast` number, since 5 + 25 + 51 + 1 + 300 + 44 + 240 = 666.

52551130044240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 52551130044195 and 52551130044204.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 376751631 + ... + 376891089.

It is an arithmetic number, because the mean of its divisors is an integer number (760755415680).

Almost surely, 2^{52551130044240} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52551130044240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91290649881600).

52551130044240 is an abundant number, since it is smaller than the sum of its proper divisors (130030169718960).

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

52551130044240 is a wasteful number, since it uses less digits than its factorization.

52551130044240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157554 (or 157545 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 52551130044240 its reverse (4244003115525), we get a palindrome (56795133159765).

The spelling of 52551130044240 in words is "fifty-two trillion, five hundred fifty-one billion, one hundred thirty million, forty-four thousand, two hundred forty".