55452211555444 has 72 divisors (see below), whose sum is σ = 106410295555200. Its totient is φ = 25075861171200.

The previous prime is 55452211555441. The next prime is 55452211555471. The reversal of 55452211555444 is 44455511225455.

It is a junction number, because it is equal to n+sod(n) for n = 55452211555391 and 55452211555400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55452211555441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2378788549 + ... + 2378811859.

It is an arithmetic number, because the mean of its divisors is an integer number (1477920771600).

Almost surely, 2^{55452211555444} is an apocalyptic number.

It is an amenable number.

55452211555444 is a deficient number, since it is larger than the sum of its proper divisors (50958083999756).

55452211555444 is a wasteful number, since it uses less digits than its factorization.

55452211555444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24469 (or 24120 counting only the distinct ones).

The product of its digits is 16000000, while the sum is 52.

The spelling of 55452211555444 in words is "fifty-five trillion, four hundred fifty-two billion, two hundred eleven million, five hundred fifty-five thousand, four hundred forty-four".