55223184937 has 2 divisors, whose sum is σ = 55223184938. Its totient is φ = 55223184936.

The previous prime is 55223184901. The next prime is 55223184949. The reversal of 55223184937 is 73948132255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36400442521 + 18822742416 = 190789^2 + 137196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55223184937 is a prime.

It is a super-2 number, since 2×55223184937² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55223184967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27611592468 + 27611592469.

It is an arithmetic number, because the mean of its divisors is an integer number (27611592469).

Almost surely, 2^55223184937 is an apocalyptic number.

It is an amenable number.

55223184937 is a deficient number, since it is larger than the sum of its proper divisors (1).

55223184937 is an equidigital number, since it uses as much as digits as its factorization.

55223184937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 49.

It can be divided in two parts, 5522318 and 4937, that added together give a palindrome (5527255).

The spelling of 55223184937 in words is "fifty-five billion, two hundred twenty-three million, one hundred eighty-four thousand, nine hundred thirty-seven".