53643343576560 has 40 divisors (see below), whose sum is σ = 166294365088080. Its totient is φ = 14304891620352.

The previous prime is 53643343576549. The next prime is 53643343576567. The reversal of 53643343576560 is 6567534334635.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×53643343576560² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 53643343576494 and 53643343576503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53643343576567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111756965545 + ... + 111756966024.

It is an arithmetic number, because the mean of its divisors is an integer number (4157359127202).

Almost surely, 2^{53643343576560} is an apocalyptic number.

It is an amenable number.

53643343576560 is an abundant number, since it is smaller than the sum of its proper divisors (112651021511520).

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

53643343576560 is a wasteful number, since it uses less digits than its factorization.

53643343576560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223513931585 (or 223513931579 counting only the distinct ones).

The product of its (nonzero) digits is 244944000, while the sum is 60.

The spelling of 53643343576560 in words is "fifty-three trillion, six hundred forty-three billion, three hundred forty-three million, five hundred seventy-six thousand, five hundred sixty".