53744775044721 has 8 divisors (see below), whose sum is σ = 72729247821984. Its totient is φ = 35295076148640.

The previous prime is 53744775044711. The next prime is 53744775044773. The reversal of 53744775044721 is 12744057744735.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53744775044721 - 2⁶ = 53744775044657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53744775044711) 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, 133693470060 + ... + 133693470461.

It is an arithmetic number, because the mean of its divisors is an integer number (9091155977748).

Almost surely, 2^{53744775044721} is an apocalyptic number.

It is an amenable number.

53744775044721 is a deficient number, since it is larger than the sum of its proper divisors (18984472777263).

53744775044721 is a wasteful number, since it uses less digits than its factorization.

53744775044721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267386940591.

The product of its (nonzero) digits is 92198400, while the sum is 60.

The spelling of 53744775044721 in words is "fifty-three trillion, seven hundred forty-four billion, seven hundred seventy-five million, forty-four thousand, seven hundred twenty-one".