320535455 has 8 divisors (see below), whose sum is σ = 385279872. Its totient is φ = 256003488.

The previous prime is 320535451. The next prime is 320535473. The reversal of 320535455 is 554535023.

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 320535455 - 2² = 320535451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320535451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49772 + ... + 55841.

It is an arithmetic number, because the mean of its divisors is an integer number (48159984).

Almost surely, 2^320535455 is an apocalyptic number.

320535455 is a deficient number, since it is larger than the sum of its proper divisors (64744417).

320535455 is a wasteful number, since it uses less digits than its factorization.

320535455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106225.

The product of its (nonzero) digits is 45000, while the sum is 32.

The square root of 320535455 is about 17903.5039866502. The cubic root of 320535455 is about 684.3716723982.

The spelling of 320535455 in words is "three hundred twenty million, five hundred thirty-five thousand, four hundred fifty-five".