53494591964 has 24 divisors (see below), whose sum is σ = 103800241776. Its totient is φ = 23917104000.

The previous prime is 53494591949. The next prime is 53494591967. The reversal of 53494591964 is 46919549435.

53494591964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53494591967) 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, 9962777 + ... + 9968144.

It is an arithmetic number, because the mean of its divisors is an integer number (4325010074).

Almost surely, 2^53494591964 is an apocalyptic number.

It is an amenable number.

53494591964 is a deficient number, since it is larger than the sum of its proper divisors (50305649812).

53494591964 is a wasteful number, since it uses less digits than its factorization.

53494591964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19930997 (or 19930995 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 59.

The spelling of 53494591964 in words is "fifty-three billion, four hundred ninety-four million, five hundred ninety-one thousand, nine hundred sixty-four".