55050373409 has 2 divisors, whose sum is σ = 55050373410. Its totient is φ = 55050373408.

The previous prime is 55050373381. The next prime is 55050373439. The reversal of 55050373409 is 90437305055.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47511792784 + 7538580625 = 217972^2 + 86825^2 .

It is a cyclic number.

It is not a de Polignac number, because 55050373409 - 2⁸ = 55050373153 is a prime.

It is a super-2 number, since 2×55050373409² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55050373439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27525186704 + 27525186705.

It is an arithmetic number, because the mean of its divisors is an integer number (27525186705).

Almost surely, 2^55050373409 is an apocalyptic number.

It is an amenable number.

55050373409 is a deficient number, since it is larger than the sum of its proper divisors (1).

55050373409 is an equidigital number, since it uses as much as digits as its factorization.

55050373409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 283500, while the sum is 41.

The spelling of 55050373409 in words is "fifty-five billion, fifty million, three hundred seventy-three thousand, four hundred nine".