55828709658 has 48 divisors (see below), whose sum is σ = 124889236992. Its totient is φ = 18005652000.

The previous prime is 55828709617. The next prime is 55828709659. The reversal of 55828709658 is 85690782855.

55828709658 is a `hidden beast` number, since 558 + 2 + 8 + 70 + 9 + 6 + 5 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 55828709595 and 55828709604.

It is not an unprimeable number, because it can be changed into a prime (55828709659) 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 23 ways as a sum of consecutive naturals, for example, 5206923 + ... + 5217633.

It is an arithmetic number, because the mean of its divisors is an integer number (2601859104).

Almost surely, 2^55828709658 is an apocalyptic number.

55828709658 is an abundant number, since it is smaller than the sum of its proper divisors (69060527334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55828709658 is a wasteful number, since it uses less digits than its factorization.

55828709658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20091 (or 20088 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 63.

The spelling of 55828709658 in words is "fifty-five billion, eight hundred twenty-eight million, seven hundred nine thousand, six hundred fifty-eight".