55073777705 has 4 divisors (see below), whose sum is σ = 66088533252. Its totient is φ = 44059022160.

The previous prime is 55073777683. The next prime is 55073777729. The reversal of 55073777705 is 50777737055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50777737055 = 5 ⋅10155547411.

It can be written as a sum of positive squares in 2 ways, for example, as 25765707289 + 29308070416 = 160517^2 + 171196^2 .

It is a de Polignac number, because none of the positive numbers 2^k-55073777705 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5507377766 + ... + 5507377775.

It is an arithmetic number, because the mean of its divisors is an integer number (16522133313).

Almost surely, 2^55073777705 is an apocalyptic number.

It is an amenable number.

55073777705 is a deficient number, since it is larger than the sum of its proper divisors (11014755547).

55073777705 is a wasteful number, since it uses less digits than its factorization.

55073777705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11014755546.

The product of its (nonzero) digits is 6302625, while the sum is 53.

The spelling of 55073777705 in words is "fifty-five billion, seventy-three million, seven hundred seventy-seven thousand, seven hundred five".