53006452666 has 4 divisors (see below), whose sum is σ = 79509679002. Its totient is φ = 26503226332.

The previous prime is 53006452627. The next prime is 53006452687. The reversal of 53006452666 is 66625460035.

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., 43168788441 + 9837664225 = 207771^2 + 99185^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13251613165 + ... + 13251613168.

Almost surely, 2^53006452666 is an apocalyptic number.

53006452666 is a deficient number, since it is larger than the sum of its proper divisors (26503226336).

53006452666 is a wasteful number, since it uses less digits than its factorization.

53006452666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26503226335.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 53006452666 in words is "fifty-three billion, six million, four hundred fifty-two thousand, six hundred sixty-six".