55556071 has 8 divisors (see below), whose sum is σ = 56515424. Its totient is φ = 54604800.

The previous prime is 55556069. The next prime is 55556077. The reversal of 55556071 is 17065555.

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 55556071 - 2¹ = 55556069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55556077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12751 + ... + 16543.

It is an arithmetic number, because the mean of its divisors is an integer number (7064428).

Almost surely, 2^55556071 is an apocalyptic number.

55556071 is a deficient number, since it is larger than the sum of its proper divisors (959353).

55556071 is a wasteful number, since it uses less digits than its factorization.

55556071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041.

The product of its (nonzero) digits is 26250, while the sum is 34.

The square root of 55556071 is about 7453.5945019836. The cubic root of 55556071 is about 381.5725942540.

The spelling of 55556071 in words is "fifty-five million, five hundred fifty-six thousand, seventy-one".