55005625672 has 8 divisors (see below), whose sum is σ = 103135548150. Its totient is φ = 27502812832.

The previous prime is 55005625657. The next prime is 55005625673. The reversal of 55005625672 is 27652650055.

It can be written as a sum of positive squares in only one way, i.e., 53663575716 + 1342049956 = 231654^2 + 36634^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (55005625673) 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 as a sum of consecutive naturals, namely, 3437851597 + ... + 3437851612.

Almost surely, 2^55005625672 is an apocalyptic number.

It is an amenable number.

55005625672 is a deficient number, since it is larger than the sum of its proper divisors (48129922478).

55005625672 is a wasteful number, since it uses less digits than its factorization.

55005625672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875703215 (or 6875703211 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 43.

The spelling of 55005625672 in words is "fifty-five billion, five million, six hundred twenty-five thousand, six hundred seventy-two".