53534205644 has 24 divisors (see below), whose sum is σ = 95894281728. Its totient is φ = 26138412560.

The previous prime is 53534205643. The next prime is 53534205701. The reversal of 53534205644 is 44650243535.

It is a super-2 number, since 2×53534205644² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53534205643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238112 + ... + 404679.

It is an arithmetic number, because the mean of its divisors is an integer number (3995595072).

Almost surely, 2^53534205644 is an apocalyptic number.

It is an amenable number.

53534205644 is a deficient number, since it is larger than the sum of its proper divisors (42360076084).

53534205644 is a wasteful number, since it uses less digits than its factorization.

53534205644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643285 (or 643283 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 41.

The spelling of 53534205644 in words is "fifty-three billion, five hundred thirty-four million, two hundred five thousand, six hundred forty-four".