55030305027777 has 4 divisors (see below), whose sum is σ = 73373740037040. Its totient is φ = 36686870018516.

The previous prime is 55030305027703. The next prime is 55030305027791. The reversal of 55030305027777 is 77772050303055.

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 55030305027777 - 2⁸ = 55030305027521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55030305027877) 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, 9171717504627 + ... + 9171717504632.

It is an arithmetic number, because the mean of its divisors is an integer number (18343435009260).

Almost surely, 2^{55030305027777} is an apocalyptic number.

It is an amenable number.

55030305027777 is a deficient number, since it is larger than the sum of its proper divisors (18343435009263).

55030305027777 is a wasteful number, since it uses less digits than its factorization.

55030305027777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18343435009262.

The product of its (nonzero) digits is 5402250, while the sum is 51.

The spelling of 55030305027777 in words is "fifty-five trillion, thirty billion, three hundred five million, twenty-seven thousand, seven hundred seventy-seven".