55011242661 has 8 divisors (see below), whose sum is σ = 74104492224. Its totient is φ = 36296077440.

The previous prime is 55011242651. The next prime is 55011242683. The reversal of 55011242661 is 16624211055.

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

It is not a de Polignac number, because 55011242661 - 2²¹ = 55009145509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55011242651) 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, 94520745 + ... + 94521326.

It is an arithmetic number, because the mean of its divisors is an integer number (9263061528).

Almost surely, 2^55011242661 is an apocalyptic number.

It is an amenable number.

55011242661 is a deficient number, since it is larger than the sum of its proper divisors (19093249563).

55011242661 is a wasteful number, since it uses less digits than its factorization.

55011242661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189042171.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 55011242661 in words is "fifty-five billion, eleven million, two hundred forty-two thousand, six hundred sixty-one".