55486628207 has 4 divisors (see below), whose sum is σ = 58406977080. Its totient is φ = 52566279336.

The previous prime is 55486628191. The next prime is 55486628221. The reversal of 55486628207 is 70282668455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55486628207 - 2⁴ = 55486628191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55486622207) 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 3 ways as a sum of consecutive naturals, for example, 1460174408 + ... + 1460174445.

It is an arithmetic number, because the mean of its divisors is an integer number (14601744270).

Almost surely, 2^55486628207 is an apocalyptic number.

55486628207 is a deficient number, since it is larger than the sum of its proper divisors (2920348873).

55486628207 is a wasteful number, since it uses less digits than its factorization.

55486628207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920348872.

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 55486628207 in words is "fifty-five billion, four hundred eighty-six million, six hundred twenty-eight thousand, two hundred seven".