805551455 has 8 divisors (see below), whose sum is σ = 1017538800. Its totient is φ = 610523136.

The previous prime is 805551451. The next prime is 805551479. The reversal of 805551455 is 554155508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 805551455 - 2² = 805551451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805551451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4239650 + ... + 4239839.

It is an arithmetic number, because the mean of its divisors is an integer number (127192350).

Almost surely, 2^805551455 is an apocalyptic number.

805551455 is a deficient number, since it is larger than the sum of its proper divisors (211987345).

805551455 is a wasteful number, since it uses less digits than its factorization.

805551455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8479513.

The product of its (nonzero) digits is 100000, while the sum is 38.

The square root of 805551455 is about 28382.2383719114. The cubic root of 805551455 is about 930.4601164834.

The spelling of 805551455 in words is "eight hundred five million, five hundred fifty-one thousand, four hundred fifty-five".