55453130777 has 6 divisors (see below), whose sum is σ = 60952614954. Its totient is φ = 50411936960.

The previous prime is 55453130749. The next prime is 55453130779. The reversal of 55453130777 is 77703135455.

It can be written as a sum of positive squares in only one way, i.e., 48032858896 + 7420271881 = 219164^2 + 86141^2 .

It is not a de Polignac number, because 55453130777 - 2¹² = 55453126681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55453130779) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229145048 + ... + 229145289.

It is an arithmetic number, because the mean of its divisors is an integer number (10158769159).

Almost surely, 2^55453130777 is an apocalyptic number.

It is an amenable number.

55453130777 is a deficient number, since it is larger than the sum of its proper divisors (5499484177).

55453130777 is a wasteful number, since it uses less digits than its factorization.

55453130777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458290359 (or 458290348 counting only the distinct ones).

The product of its (nonzero) digits is 1543500, while the sum is 47.

The spelling of 55453130777 in words is "fifty-five billion, four hundred fifty-three million, one hundred thirty thousand, seven hundred seventy-seven".