53755775147777 has 4 divisors (see below), whose sum is σ = 53755793993136. Its totient is φ = 53755756302420.

The previous prime is 53755775147741. The next prime is 53755775147791. The reversal of 53755775147777 is 77774157755735.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53755775147777 - 2¹⁰ = 53755775146753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53755775147698 and 53755775147707.

It is not an unprimeable number, because it can be changed into a prime (53755775147717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4166723 + ... + 11174664.

It is an arithmetic number, because the mean of its divisors is an integer number (13438948498284).

Almost surely, 2^{53755775147777} is an apocalyptic number.

It is an amenable number.

53755775147777 is a deficient number, since it is larger than the sum of its proper divisors (18845359).

53755775147777 is a wasteful number, since it uses less digits than its factorization.

53755775147777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18845358.

The product of its digits is 6176572500, while the sum is 77.

The spelling of 53755775147777 in words is "fifty-three trillion, seven hundred fifty-five billion, seven hundred seventy-five million, one hundred forty-seven thousand, seven hundred seventy-seven".