53640044564 has 48 divisors (see below), whose sum is σ = 95414339328. Its totient is φ = 26383408128.

The previous prime is 53640044531. The next prime is 53640044599. The reversal of 53640044564 is 46544004635.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41356364 + ... + 41357660.

It is an arithmetic number, because the mean of its divisors is an integer number (1987798736).

Almost surely, 2^53640044564 is an apocalyptic number.

It is an amenable number.

53640044564 is a deficient number, since it is larger than the sum of its proper divisors (41774294764).

53640044564 is a wasteful number, since it uses less digits than its factorization.

53640044564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064 (or 2062 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 53640044564 in words is "fifty-three billion, six hundred forty million, forty-four thousand, five hundred sixty-four".