806553801 has 16 divisors (see below), whose sum is σ = 1200121600. Its totient is φ = 535350384.

The previous prime is 806553799. The next prime is 806553809. The reversal of 806553801 is 108355608.

It is not a de Polignac number, because 806553801 - 2¹ = 806553799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (806553809) 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, 59041 + ... + 71406.

It is an arithmetic number, because the mean of its divisors is an integer number (75007600).

Almost surely, 2^806553801 is an apocalyptic number.

It is an amenable number.

806553801 is a deficient number, since it is larger than the sum of its proper divisors (393567799).

806553801 is a wasteful number, since it uses less digits than its factorization.

806553801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130685 (or 130679 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 806553801 is about 28399.8908624664. The cubic root of 806553801 is about 930.8458797221.

The spelling of 806553801 in words is "eight hundred six million, five hundred fifty-three thousand, eight hundred one".