655453378 has 8 divisors (see below), whose sum is σ = 983863872. Its totient is φ = 327498756.

The previous prime is 655453319. The next prime is 655453417. The reversal of 655453378 is 873354556.

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

It is a super-2 number, since 2×655453378² = 859238261463221768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110350 + ... + 116137.

It is an arithmetic number, because the mean of its divisors is an integer number (122982984).

Almost surely, 2^655453378 is an apocalyptic number.

655453378 is a deficient number, since it is larger than the sum of its proper divisors (328410494).

655453378 is a wasteful number, since it uses less digits than its factorization.

655453378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227936.

The product of its digits is 1512000, while the sum is 46.

The square root of 655453378 is about 25601.8237241022. The cubic root of 655453378 is about 868.6548897275.

The spelling of 655453378 in words is "six hundred fifty-five million, four hundred fifty-three thousand, three hundred seventy-eight".