806519055 has 16 divisors (see below), whose sum is σ = 1293070464. Its totient is φ = 429263520.

The previous prime is 806519053. The next prime is 806519057. The reversal of 806519055 is 550915608.

It is an interprime number because it is at equal distance from previous prime (806519053) and next prime (806519057).

It is not a de Polignac number, because 806519055 - 2¹ = 806519053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806519053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47389 + ... + 62118.

It is an arithmetic number, because the mean of its divisors is an integer number (80816904).

Almost surely, 2^806519055 is an apocalyptic number.

806519055 is a deficient number, since it is larger than the sum of its proper divisors (486551409).

806519055 is a wasteful number, since it uses less digits than its factorization.

806519055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110006.

The product of its (nonzero) digits is 54000, while the sum is 39.

The square root of 806519055 is about 28399.2791281751. The cubic root of 806519055 is about 930.8325127132.

The spelling of 806519055 in words is "eight hundred six million, five hundred nineteen thousand, fifty-five".