55827628155 has 144 divisors (see below), whose sum is σ = 108265435200. Its totient is φ = 26580483072.

The previous prime is 55827628151. The next prime is 55827628187. The reversal of 55827628155 is 55182672855.

55827628155 is a `hidden beast` number, since 5 + 5 + 8 + 2 + 7 + 628 + 1 + 5 + 5 = 666.

It is not a de Polignac number, because 55827628155 - 2² = 55827628151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55827628151) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 55995117 + ... + 55996113.

It is an arithmetic number, because the mean of its divisors is an integer number (751843300).

Almost surely, 2^55827628155 is an apocalyptic number.

55827628155 is a deficient number, since it is larger than the sum of its proper divisors (52437807045).

55827628155 is a wasteful number, since it uses less digits than its factorization.

55827628155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1254 counting only the distinct ones).

The product of its digits is 6720000, while the sum is 54.

The spelling of 55827628155 in words is "fifty-five billion, eight hundred twenty-seven million, six hundred twenty-eight thousand, one hundred fifty-five".