53006979817 has 8 divisors (see below), whose sum is σ = 60869259360. Its totient is φ = 45651944160.

The previous prime is 53006979811. The next prime is 53006979869. The reversal of 53006979817 is 71897960035.

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 53006979817 - 2⁷ = 53006979689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53006979811) 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, 126810748 + ... + 126811165.

It is an arithmetic number, because the mean of its divisors is an integer number (7608657420).

Almost surely, 2^53006979817 is an apocalyptic number.

It is an amenable number.

53006979817 is a deficient number, since it is larger than the sum of its proper divisors (7862279543).

53006979817 is a wasteful number, since it uses less digits than its factorization.

53006979817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253621943.

The product of its (nonzero) digits is 2857680, while the sum is 55.

The spelling of 53006979817 in words is "fifty-three billion, six million, nine hundred seventy-nine thousand, eight hundred seventeen".