55276241666 has 4 divisors (see below), whose sum is σ = 82914362502. Its totient is φ = 27638120832.

The previous prime is 55276241543. The next prime is 55276241677. The reversal of 55276241666 is 66614267255.

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., 54232628641 + 1043613025 = 232879^2 + 32305^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13819060415 + ... + 13819060418.

Almost surely, 2^55276241666 is an apocalyptic number.

55276241666 is a deficient number, since it is larger than the sum of its proper divisors (27638120836).

55276241666 is a wasteful number, since it uses less digits than its factorization.

55276241666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27638120835.

The product of its digits is 3628800, while the sum is 50.

The spelling of 55276241666 in words is "fifty-five billion, two hundred seventy-six million, two hundred forty-one thousand, six hundred sixty-six".