53609604781824 has 324 divisors, whose sum is σ = 193636780906296. Its totient is φ = 14138796478464.

The previous prime is 53609604781823. The next prime is 53609604781867. The reversal of 53609604781824 is 42818740690635.

53609604781824 is a `hidden beast` number, since 5 + 3 + 6 + 0 + 9 + 604 + 7 + 8 + 18 + 2 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53609604781823) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16796134 + ... + 19731429.

It is a 2-persistent number, because it is pandigital, and so is 2⋅53609604781824 = 107219209563648, but 3⋅53609604781824 = 160828814345472 is not.

Almost surely, 2^{53609604781824} is an apocalyptic number.

It is an amenable number.

53609604781824 is an abundant number, since it is smaller than the sum of its proper divisors (140027176124472).

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

53609604781824 is a wasteful number, since it uses less digits than its factorization.

53609604781824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36527612 (or 36527588 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 63.

The spelling of 53609604781824 in words is "fifty-three trillion, six hundred nine billion, six hundred four million, seven hundred eighty-one thousand, eight hundred twenty-four".