55186195802 has 8 divisors (see below), whose sum is σ = 82816074912. Its totient is φ = 27580837500.

The previous prime is 55186195789. The next prime is 55186195811. The reversal of 55186195802 is 20859168155.

It is a happy number.

55186195802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6124574 + ... + 6133577.

It is an arithmetic number, because the mean of its divisors is an integer number (10352009364).

Almost surely, 2^55186195802 is an apocalyptic number.

55186195802 is a deficient number, since it is larger than the sum of its proper divisors (27629879110).

55186195802 is a wasteful number, since it uses less digits than its factorization.

55186195802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12260404.

The product of its (nonzero) digits is 864000, while the sum is 50.

The spelling of 55186195802 in words is "fifty-five billion, one hundred eighty-six million, one hundred ninety-five thousand, eight hundred two".