55425086806 has 16 divisors (see below), whose sum is σ = 86197570560. Its totient is φ = 26700440040.

The previous prime is 55425086777. The next prime is 55425086869. The reversal of 55425086806 is 60868052455.

It is a self number, because there is not a number n which added to its sum of digits gives 55425086806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1954986 + ... + 1983133.

It is an arithmetic number, because the mean of its divisors is an integer number (5387348160).

Almost surely, 2^55425086806 is an apocalyptic number.

55425086806 is a deficient number, since it is larger than the sum of its proper divisors (30772483754).

55425086806 is a wasteful number, since it uses less digits than its factorization.

55425086806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938379.

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 55425086806 in words is "fifty-five billion, four hundred twenty-five million, eighty-six thousand, eight hundred six".