55894822719 has 32 divisors (see below), whose sum is σ = 77725013184. Its totient is φ = 35701125120.

The previous prime is 55894822661. The next prime is 55894822729. The reversal of 55894822719 is 91722849855.

It is not a de Polignac number, because 55894822719 - 2¹¹ = 55894820671 is a prime.

It is a super-2 number, since 2×55894822719² (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 (55894822729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2078749 + ... + 2105465.

It is an arithmetic number, because the mean of its divisors is an integer number (2428906662).

Almost surely, 2^55894822719 is an apocalyptic number.

55894822719 is a deficient number, since it is larger than the sum of its proper divisors (21830190465).

55894822719 is a wasteful number, since it uses less digits than its factorization.

55894822719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27067.

The product of its digits is 14515200, while the sum is 60.

The spelling of 55894822719 in words is "fifty-five billion, eight hundred ninety-four million, eight hundred twenty-two thousand, seven hundred nineteen".