54133002721 has 8 divisors (see below), whose sum is σ = 62504086400. Its totient is φ = 45921368448.

The previous prime is 54133002701. The next prime is 54133002731. The reversal of 54133002721 is 12720033145.

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

It is a cyclic number.

It is not a de Polignac number, because 54133002721 - 2¹⁷ = 54132871649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54133002721.

It is not an unprimeable number, because it can be changed into a prime (54133002701) 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, 39861621 + ... + 39862978.

It is an arithmetic number, because the mean of its divisors is an integer number (7813010800).

Almost surely, 2^54133002721 is an apocalyptic number.

It is an amenable number.

54133002721 is a deficient number, since it is larger than the sum of its proper divisors (8371083679).

54133002721 is an equidigital number, since it uses as much as digits as its factorization.

54133002721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79724703.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 54133002721 its reverse (12720033145), we get a palindrome (66853035866).

The spelling of 54133002721 in words is "fifty-four billion, one hundred thirty-three million, two thousand, seven hundred twenty-one".