55444466444455 has 16 divisors (see below), whose sum is σ = 76851367393824. Its totient is φ = 37951292538880.

The previous prime is 55444466444429. The next prime is 55444466444483.

55444466444455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55444466444455 - 2⁷ = 55444466444327 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29649446362 + ... + 29649448231.

It is an arithmetic number, because the mean of its divisors is an integer number (4803210462114).

Almost surely, 2^{55444466444455} is an apocalyptic number.

55444466444455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55444466444455 is a deficient number, since it is larger than the sum of its proper divisors (21406900949369).

55444466444455 is a wasteful number, since it uses less digits than its factorization.

55444466444455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59298894626.

The product of its digits is 1474560000, while the sum is 64.

The spelling of 55444466444455 in words is "fifty-five trillion, four hundred forty-four billion, four hundred sixty-six million, four hundred forty-four thousand, four hundred fifty-five".