320055533497 has 8 divisors (see below), whose sum is σ = 368657893376. Its totient is φ = 272173208832.

The previous prime is 320055533477. The next prime is 320055533527. The reversal of 320055533497 is 794335550023.

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

It is not a de Polignac number, because 320055533497 - 2³⁵ = 285695795129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320055533477) 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, 180007848 + ... + 180009625.

It is an arithmetic number, because the mean of its divisors is an integer number (46082236672).

Almost surely, 2^320055533497 is an apocalyptic number.

It is an amenable number.

320055533497 is a deficient number, since it is larger than the sum of its proper divisors (48602359879).

320055533497 is a wasteful number, since it uses less digits than its factorization.

320055533497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360017607.

The product of its (nonzero) digits is 1701000, while the sum is 46.

The spelling of 320055533497 in words is "three hundred twenty billion, fifty-five million, five hundred thirty-three thousand, four hundred ninety-seven".