55066633 has 8 divisors (see below), whose sum is σ = 56954880. Its totient is φ = 53185440.

The previous prime is 55066631. The next prime is 55066643. The reversal of 55066633 is 33666055.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55066633 - 2¹ = 55066631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55066631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17688 + ... + 20566.

It is an arithmetic number, because the mean of its divisors is an integer number (7119360).

Almost surely, 2^55066633 is an apocalyptic number.

It is an amenable number.

55066633 is a deficient number, since it is larger than the sum of its proper divisors (1888247).

55066633 is a wasteful number, since it uses less digits than its factorization.

55066633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527.

The product of its (nonzero) digits is 48600, while the sum is 34.

The square root of 55066633 is about 7420.6895232182. The cubic root of 55066633 is about 380.4487611471.

The spelling of 55066633 in words is "fifty-five million, sixty-six thousand, six hundred thirty-three".