53575666994 has 8 divisors (see below), whose sum is σ = 80364603180. Its totient is φ = 26787465936.

The previous prime is 53575666987. The next prime is 53575667009. The reversal of 53575666994 is 49966657535.

It can be written as a sum of positive squares in 2 ways, for example, as 50901225769 + 2674441225 = 225613^2 + 51715^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 53575666994.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66692 + ... + 334064.

Almost surely, 2^53575666994 is an apocalyptic number.

53575666994 is a deficient number, since it is larger than the sum of its proper divisors (26788936186).

53575666994 is a wasteful number, since it uses less digits than its factorization.

53575666994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367564.

The product of its digits is 183708000, while the sum is 65.

The spelling of 53575666994 in words is "fifty-three billion, five hundred seventy-five million, six hundred sixty-six thousand, nine hundred ninety-four".