55030305027778 has 16 divisors (see below), whose sum is σ = 83041437346560. Its totient is φ = 27350200379376.

The previous prime is 55030305027703. The next prime is 55030305027791. The reversal of 55030305027778 is 87772050303055.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93322425 + ... + 93910252.

It is an arithmetic number, because the mean of its divisors is an integer number (5190089834160).

Almost surely, 2^{55030305027778} is an apocalyptic number.

55030305027778 is a deficient number, since it is larger than the sum of its proper divisors (28011132318782).

55030305027778 is a wasteful number, since it uses less digits than its factorization.

55030305027778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187233561.

The product of its (nonzero) digits is 6174000, while the sum is 52.

The spelling of 55030305027778 in words is "fifty-five trillion, thirty billion, three hundred five million, twenty-seven thousand, seven hundred seventy-eight".