55069571 has 8 divisors (see below), whose sum is σ = 56357184. Its totient is φ = 53786880.

The previous prime is 55069561. The next prime is 55069591. The reversal of 55069571 is 17596055.

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 55069571 - 2¹⁸ = 54807427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55069501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30761 + ... + 32501.

It is an arithmetic number, because the mean of its divisors is an integer number (7044648).

Almost surely, 2^55069571 is an apocalyptic number.

55069571 is a deficient number, since it is larger than the sum of its proper divisors (1287613).

55069571 is a wasteful number, since it uses less digits than its factorization.

55069571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461.

The product of its (nonzero) digits is 47250, while the sum is 38.

The square root of 55069571 is about 7420.8874806185. The cubic root of 55069571 is about 380.4555271233.

The spelling of 55069571 in words is "fifty-five million, sixty-nine thousand, five hundred seventy-one".