53796144561 has 16 divisors (see below), whose sum is σ = 76869700224. Its totient is φ = 33377629824.

The previous prime is 53796144559. The next prime is 53796144583. The reversal of 53796144561 is 16544169735.

It is not a de Polignac number, because 53796144561 - 2¹ = 53796144559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53796144761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10533316 + ... + 10538421.

It is an arithmetic number, because the mean of its divisors is an integer number (4804356264).

Almost surely, 2^53796144561 is an apocalyptic number.

It is an amenable number.

53796144561 is a deficient number, since it is larger than the sum of its proper divisors (23073555663).

53796144561 is a wasteful number, since it uses less digits than its factorization.

53796144561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21071800.

The product of its digits is 2721600, while the sum is 51.

The spelling of 53796144561 in words is "fifty-three billion, seven hundred ninety-six million, one hundred forty-four thousand, five hundred sixty-one".