53230277666 has 4 divisors (see below), whose sum is σ = 79845416502. Its totient is φ = 26615138832.

The previous prime is 53230277629. The next prime is 53230277713. The reversal of 53230277666 is 66677203235.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29333755441 + 23896522225 = 171271^2 + 154585^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53230277666.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13307569415 + ... + 13307569418.

Almost surely, 2^53230277666 is an apocalyptic number.

53230277666 is a deficient number, since it is larger than the sum of its proper divisors (26615138836).

53230277666 is a wasteful number, since it uses less digits than its factorization.

53230277666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26615138835.

The product of its (nonzero) digits is 1905120, while the sum is 47.

The spelling of 53230277666 in words is "fifty-three billion, two hundred thirty million, two hundred seventy-seven thousand, six hundred sixty-six".