55472444427455 has 16 divisors (see below), whose sum is σ = 72691309760544. Its totient is φ = 40303130916480.

The previous prime is 55472444427373. The next prime is 55472444427473.

It is a happy number.

55472444427455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55472444427455 - 2¹⁰ = 55472444426431 is a prime.

It is a Duffinian number.

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, 505757552 + ... + 505867221.

It is an arithmetic number, because the mean of its divisors is an integer number (4543206860034).

Almost surely, 2^{55472444427455} is an apocalyptic number.

55472444427455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55472444427455 is a deficient number, since it is larger than the sum of its proper divisors (17218865333089).

55472444427455 is a wasteful number, since it uses less digits than its factorization.

55472444427455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011625786.

The product of its digits is 501760000, while the sum is 62.

The spelling of 55472444427455 in words is "fifty-five trillion, four hundred seventy-two billion, four hundred forty-four million, four hundred twenty-seven thousand, four hundred fifty-five".