53939594432164 has 81 divisors (see below), whose sum is σ = 110339204233419. Its totient is φ = 23005173224880.

The previous prime is 53939594432147. The next prime is 53939594432167. The reversal of 53939594432164 is 46123449593935.

It is a happy number.

The square root of 53939594432164 is 7344358.

It is a perfect power (a square), and thus also a powerful number.

It is a self number, because there is not a number n which added to its sum of digits gives 53939594432164.

It is not an unprimeable number, because it can be changed into a prime (53939594432167) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 23340368569 + ... + 23340370879.

Almost surely, 2^{53939594432164} is an apocalyptic number.

53939594432164 is the 7344358-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53939594432164

53939594432164 is an abundant number, since it is smaller than the sum of its proper divisors (56399609801255).

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

53939594432164 is an frugal number, since it uses more digits than its factorization.

53939594432164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094 (or 2547 counting only the distinct ones).

The product of its digits is 377913600, while the sum is 67.

The spelling of 53939594432164 in words is "fifty-three trillion, nine hundred thirty-nine billion, five hundred ninety-four million, four hundred thirty-two thousand, one hundred sixty-four".