55256257501786 has 16 divisors (see below), whose sum is σ = 90419606365248. Its totient is φ = 25116404041600.

The previous prime is 55256257501759. The next prime is 55256257501849. The reversal of 55256257501786 is 68710575265255.

It is a happy 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, 3887091 + ... + 11208121.

It is an arithmetic number, because the mean of its divisors is an integer number (5651225397828).

Almost surely, 2^{55256257501786} is an apocalyptic number.

55256257501786 is a deficient number, since it is larger than the sum of its proper divisors (35163348863462).

55256257501786 is a wasteful number, since it uses less digits than its factorization.

55256257501786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7664117.

The product of its (nonzero) digits is 176400000, while the sum is 64.

The spelling of 55256257501786 in words is "fifty-five trillion, two hundred fifty-six billion, two hundred fifty-seven million, five hundred one thousand, seven hundred eighty-six".