55433431337 has 2 divisors, whose sum is σ = 55433431338. Its totient is φ = 55433431336.

The previous prime is 55433431321. The next prime is 55433431369. The reversal of 55433431337 is 73313433455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51942512281 + 3490919056 = 227909^2 + 59084^2 .

It is a cyclic number.

It is not a de Polignac number, because 55433431337 - 2⁴ = 55433431321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55433431294 and 55433431303.

It is not a weakly prime, because it can be changed into another prime (55433430337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27716715668 + 27716715669.

It is an arithmetic number, because the mean of its divisors is an integer number (27716715669).

Almost surely, 2^55433431337 is an apocalyptic number.

It is an amenable number.

55433431337 is a deficient number, since it is larger than the sum of its proper divisors (1).

55433431337 is an equidigital number, since it uses as much as digits as its factorization.

55433431337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 41.

The spelling of 55433431337 in words is "fifty-five billion, four hundred thirty-three million, four hundred thirty-one thousand, three hundred thirty-seven".