55038440837 has 2 divisors, whose sum is σ = 55038440838. Its totient is φ = 55038440836.

The previous prime is 55038440819. The next prime is 55038440851. The reversal of 55038440837 is 73804483055.

55038440837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35169001156 + 19869439681 = 187534^2 + 140959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55038440837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55038440791 and 55038440800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55038460837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27519220418 + 27519220419.

It is an arithmetic number, because the mean of its divisors is an integer number (27519220419).

Almost surely, 2^55038440837 is an apocalyptic number.

It is an amenable number.

55038440837 is a deficient number, since it is larger than the sum of its proper divisors (1).

55038440837 is an equidigital number, since it uses as much as digits as its factorization.

55038440837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 55038440837 in words is "fifty-five billion, thirty-eight million, four hundred forty thousand, eight hundred thirty-seven".