55956373786 has 16 divisors (see below), whose sum is σ = 85196147904. Its totient is φ = 27557744544.

The previous prime is 55956373777. The next prime is 55956373813. The reversal of 55956373786 is 68737365955.

It is a super-2 number, since 2×55956373786² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1929006 + ... + 1957798.

It is an arithmetic number, because the mean of its divisors is an integer number (5324759244).

Almost surely, 2^55956373786 is an apocalyptic number.

55956373786 is a deficient number, since it is larger than the sum of its proper divisors (29239774118).

55956373786 is a wasteful number, since it uses less digits than its factorization.

55956373786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43365.

The product of its digits is 142884000, while the sum is 64.

The spelling of 55956373786 in words is "fifty-five billion, nine hundred fifty-six million, three hundred seventy-three thousand, seven hundred eighty-six".