55186827995 has 32 divisors (see below), whose sum is σ = 73386238464. Its totient is φ = 39580646400.

The previous prime is 55186827989. The next prime is 55186828013. The reversal of 55186827995 is 59972868155.

It is not a de Polignac number, because 55186827995 - 2¹² = 55186823899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a Duffinian number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 547865 + ... + 640725.

It is an arithmetic number, because the mean of its divisors is an integer number (2293319952).

Almost surely, 2^55186827995 is an apocalyptic number.

55186827995 is a deficient number, since it is larger than the sum of its proper divisors (18199410469).

55186827995 is a wasteful number, since it uses less digits than its factorization.

55186827995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93143.

The product of its digits is 54432000, while the sum is 65.

The spelling of 55186827995 in words is "fifty-five billion, one hundred eighty-six million, eight hundred twenty-seven thousand, nine hundred ninety-five".