53073976729 has 8 divisors (see below), whose sum is σ = 53921021760. Its totient is φ = 52229696400.

The previous prime is 53073976691. The next prime is 53073976763. The reversal of 53073976729 is 92767937035.

It is a happy number.

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 53073976729 - 2⁷ = 53073976601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53073976229) 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, 652459 + ... + 729280.

It is an arithmetic number, because the mean of its divisors is an integer number (6740127720).

Almost surely, 2^53073976729 is an apocalyptic number.

It is an amenable number.

53073976729 is a deficient number, since it is larger than the sum of its proper divisors (847045031).

53073976729 is a wasteful number, since it uses less digits than its factorization.

53073976729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382351.

The product of its (nonzero) digits is 15002820, while the sum is 58.

The spelling of 53073976729 in words is "fifty-three billion, seventy-three million, nine hundred seventy-six thousand, seven hundred twenty-nine".