55311022043 has 4 divisors (see below), whose sum is σ = 55311627168. Its totient is φ = 55310416920.

The previous prime is 55311022031. The next prime is 55311022049. The reversal of 55311022043 is 34022011355.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 55311022043 - 2⁶ = 55311021979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55311022049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134243 + ... + 358668.

It is an arithmetic number, because the mean of its divisors is an integer number (13827906792).

Almost surely, 2^55311022043 is an apocalyptic number.

55311022043 is a deficient number, since it is larger than the sum of its proper divisors (605125).

55311022043 is a wasteful number, since it uses less digits than its factorization.

55311022043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605124.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 55311022043 its reverse (34022011355), we get a palindrome (89333033398).

The spelling of 55311022043 in words is "fifty-five billion, three hundred eleven million, twenty-two thousand, forty-three".