55445450023837 has 2 divisors, whose sum is σ = 55445450023838. Its totient is φ = 55445450023836.

The previous prime is 55445450023807. The next prime is 55445450023913. The reversal of 55445450023837 is 73832005454455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27921723378201 + 27523726645636 = 5284101^2 + 5246306^2 .

It is a cyclic number.

It is not a de Polignac number, because 55445450023837 - 2¹⁹ = 55445449499549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55445450023807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27722725011918 + 27722725011919.

It is an arithmetic number, because the mean of its divisors is an integer number (27722725011919).

Almost surely, 2^{55445450023837} is an apocalyptic number.

It is an amenable number.

55445450023837 is a deficient number, since it is larger than the sum of its proper divisors (1).

55445450023837 is an equidigital number, since it uses as much as digits as its factorization.

55445450023837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320000, while the sum is 55.

The spelling of 55445450023837 in words is "fifty-five trillion, four hundred forty-five billion, four hundred fifty million, twenty-three thousand, eight hundred thirty-seven".