53575666993 has 8 divisors (see below), whose sum is σ = 56398485600. Its totient is φ = 50753153088.

The previous prime is 53575666987. The next prime is 53575667009. The reversal of 53575666993 is 39966657535.

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 53575666993 - 2⁵ = 53575666961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53575666933) 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, 344313 + ... + 475081.

It is an arithmetic number, because the mean of its divisors is an integer number (7049810700).

Almost surely, 2^53575666993 is an apocalyptic number.

It is an amenable number.

53575666993 is a deficient number, since it is larger than the sum of its proper divisors (2822818607).

53575666993 is a wasteful number, since it uses less digits than its factorization.

53575666993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152351.

The product of its digits is 137781000, while the sum is 64.

The spelling of 53575666993 in words is "fifty-three billion, five hundred seventy-five million, six hundred sixty-six thousand, nine hundred ninety-three".