6820051055 has 4 divisors (see below), whose sum is σ = 8184061272. Its totient is φ = 5456040840.

The previous prime is 6820051037. The next prime is 6820051079. The reversal of 6820051055 is 5501500286.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5501500286 = 2 ⋅2750750143.

It is not a de Polignac number, because 6820051055 - 2¹⁴ = 6820034671 is a prime.

It is a super-2 number, since 2×6820051055² = 93026192785613226050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682005101 + ... + 682005110.

It is an arithmetic number, because the mean of its divisors is an integer number (2046015318).

Almost surely, 2^6820051055 is an apocalyptic number.

6820051055 is a deficient number, since it is larger than the sum of its proper divisors (1364010217).

6820051055 is a wasteful number, since it uses less digits than its factorization.

6820051055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364010216.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 6820051055 is about 82583.6003998373. The cubic root of 6820051055 is about 1896.3967772355.

The spelling of 6820051055 in words is "six billion, eight hundred twenty million, fifty-one thousand, fifty-five".