55555831322571 has 8 divisors (see below), whose sum is σ = 75117743760384. Its totient is φ = 36515569883240.

The previous prime is 55555831322557. The next prime is 55555831322671. The reversal of 55555831322571 is 17522313855555.

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 55555831322571 - 2⁶ = 55555831322507 is a prime.

It is a super-2 number, since 2×55555831322571² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55555831322671) 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, 130412749371 + ... + 130412749796.

It is an arithmetic number, because the mean of its divisors is an integer number (9389717970048).

Almost surely, 2^{55555831322571} is an apocalyptic number.

55555831322571 is a deficient number, since it is larger than the sum of its proper divisors (19561912437813).

55555831322571 is a wasteful number, since it uses less digits than its factorization.

55555831322571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260825499241.

The product of its digits is 31500000, while the sum is 57.

The spelling of 55555831322571 in words is "fifty-five trillion, five hundred fifty-five billion, eight hundred thirty-one million, three hundred twenty-two thousand, five hundred seventy-one".