53534035438721 has 8 divisors (see below), whose sum is σ = 55261102182144. Its totient is φ = 51806978843760.

The previous prime is 53534035438711. The next prime is 53534035438729. The reversal of 53534035438721 is 12783453043535.

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 53534035438721 - 2¹⁸ = 53534035176577 is a prime.

It is a super-2 number, since 2×53534035438721² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53534035438729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9018770 + ... + 13726116.

It is an arithmetic number, because the mean of its divisors is an integer number (6907637772768).

Almost surely, 2^{53534035438721} is an apocalyptic number.

It is an amenable number.

53534035438721 is a deficient number, since it is larger than the sum of its proper divisors (1727066743423).

53534035438721 is a wasteful number, since it uses less digits than its factorization.

53534035438721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074231.

The product of its (nonzero) digits is 18144000, while the sum is 53.

The spelling of 53534035438721 in words is "fifty-three trillion, five hundred thirty-four billion, thirty-five million, four hundred thirty-eight thousand, seven hundred twenty-one".