55445450119 has 2 divisors, whose sum is σ = 55445450120. Its totient is φ = 55445450118.

The previous prime is 55445450087. The next prime is 55445450131. The reversal of 55445450119 is 91105454455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55445450119 - 2⁵ = 55445450087 is a prime.

It is a super-2 number, since 2×55445450119² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55445450219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27722725059 + 27722725060.

It is an arithmetic number, because the mean of its divisors is an integer number (27722725060).

Almost surely, 2^55445450119 is an apocalyptic number.

55445450119 is a deficient number, since it is larger than the sum of its proper divisors (1).

55445450119 is an equidigital number, since it uses as much as digits as its factorization.

55445450119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 55445450119 in words is "fifty-five billion, four hundred forty-five million, four hundred fifty thousand, one hundred nineteen".