54061573711721 has 8 divisors (see below), whose sum is σ = 54713085367584. Its totient is φ = 53410066041600.

The previous prime is 54061573711703. The next prime is 54061573711723. The reversal of 54061573711721 is 12711737516045.

54061573711721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54061573711721 is a prime.

It is a super-3 number, since 3×54061573711721³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54061573711721.

It is not an unprimeable number, because it can be changed into a prime (54061573711723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33409865 + ... + 34990601.

It is an arithmetic number, because the mean of its divisors is an integer number (6839135670948).

Almost surely, 2^{54061573711721} is an apocalyptic number.

It is an amenable number.

54061573711721 is a deficient number, since it is larger than the sum of its proper divisors (651511655863).

54061573711721 is a wasteful number, since it uses less digits than its factorization.

54061573711721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992871.

The product of its (nonzero) digits is 1234800, while the sum is 50.

The spelling of 54061573711721 in words is "fifty-four trillion, sixty-one billion, five hundred seventy-three million, seven hundred eleven thousand, seven hundred twenty-one".