55776475417 has 4 divisors (see below), whose sum is σ = 60066973540. Its totient is φ = 51485977296.

The previous prime is 55776475387. The next prime is 55776475421. The reversal of 55776475417 is 71457467755.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28756019776 + 27020455641 = 169576^2 + 164379^2 .

It is not a de Polignac number, because 55776475417 - 2¹¹ = 55776473369 is a prime.

It is a super-2 number, since 2×55776475417² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55776475477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2145249042 + ... + 2145249067.

It is an arithmetic number, because the mean of its divisors is an integer number (15016743385).

Almost surely, 2^55776475417 is an apocalyptic number.

It is an amenable number.

55776475417 is a deficient number, since it is larger than the sum of its proper divisors (4290498123).

55776475417 is a wasteful number, since it uses less digits than its factorization.

55776475417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290498122.

The product of its digits is 28812000, while the sum is 58.

The spelling of 55776475417 in words is "fifty-five billion, seven hundred seventy-six million, four hundred seventy-five thousand, four hundred seventeen".