55672222889 has 4 divisors (see below), whose sum is σ = 55767065424. Its totient is φ = 55577380356.

The previous prime is 55672222883. The next prime is 55672222927. The reversal of 55672222889 is 98822227655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55672222889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55672222883) 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 3 ways as a sum of consecutive naturals, for example, 47420387 + ... + 47421560.

It is an arithmetic number, because the mean of its divisors is an integer number (13941766356).

Almost surely, 2^55672222889 is an apocalyptic number.

It is an amenable number.

55672222889 is a deficient number, since it is larger than the sum of its proper divisors (94842535).

55672222889 is an equidigital number, since it uses as much as digits as its factorization.

55672222889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94842534.

The product of its digits is 9676800, while the sum is 56.

The spelling of 55672222889 in words is "fifty-five billion, six hundred seventy-two million, two hundred twenty-two thousand, eight hundred eighty-nine".