55854442831 has 8 divisors (see below), whose sum is σ = 61376881104. Its totient is φ = 50406131520.

The previous prime is 55854442817. The next prime is 55854442841. The reversal of 55854442831 is 13824445855.

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 55854442831 - 2⁵ = 55854442799 is a prime.

It is a super-2 number, since 2×55854442831² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55854442841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18530160 + ... + 18533173.

It is an arithmetic number, because the mean of its divisors is an integer number (7672110138).

Almost surely, 2^55854442831 is an apocalyptic number.

55854442831 is a deficient number, since it is larger than the sum of its proper divisors (5522438273).

55854442831 is a wasteful number, since it uses less digits than its factorization.

55854442831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37063481.

The product of its digits is 3072000, while the sum is 49.

The spelling of 55854442831 in words is "fifty-five billion, eight hundred fifty-four million, four hundred forty-two thousand, eight hundred thirty-one".