55478922058 has 32 divisors (see below), whose sum is σ = 100224449280. Its totient is φ = 22517721600.

The previous prime is 55478922053. The next prime is 55478922137. The reversal of 55478922058 is 85022987455.

It is not an unprimeable number, because it can be changed into a prime (55478922053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 820423 + ... + 885466.

It is an arithmetic number, because the mean of its divisors is an integer number (3132014040).

Almost surely, 2^55478922058 is an apocalyptic number.

55478922058 is a deficient number, since it is larger than the sum of its proper divisors (44745527222).

55478922058 is a wasteful number, since it uses less digits than its factorization.

55478922058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706022.

The product of its (nonzero) digits is 8064000, while the sum is 55.

The spelling of 55478922058 in words is "fifty-five billion, four hundred seventy-eight million, nine hundred twenty-two thousand, fifty-eight".