55445233254455 has 8 divisors (see below), whose sum is σ = 72582850805904. Its totient is φ = 40323806003200.

The previous prime is 55445233254409. The next prime is 55445233254497.

55445233254455 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55445233254455 - 2⁴⁴ = 37853047210039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55445233254455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504047574986 + ... + 504047575095.

It is an arithmetic number, because the mean of its divisors is an integer number (9072856350738).

Almost surely, 2^{55445233254455} is an apocalyptic number.

55445233254455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55445233254455 is a deficient number, since it is larger than the sum of its proper divisors (17137617551449).

55445233254455 is a wasteful number, since it uses less digits than its factorization.

55445233254455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008095150097.

The product of its digits is 144000000, while the sum is 56.

It can be divided in two parts, 5544523 and 3254455, that added together give a palindrome (8798978).

The spelling of 55445233254455 in words is "fifty-five trillion, four hundred forty-five billion, two hundred thirty-three million, two hundred fifty-four thousand, four hundred fifty-five".