555285378 has 8 divisors (see below), whose sum is σ = 1110570768. Its totient is φ = 185095124.

The previous prime is 555285373. The next prime is 555285397. The reversal of 555285378 is 873582555.

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

555285378 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (555285371) by changing a digit.

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, 46273776 + ... + 46273787.

It is an arithmetic number, because the mean of its divisors is an integer number (138821346).

Almost surely, 2^555285378 is an apocalyptic number.

555285378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555285378 is a wasteful number, since it uses less digits than its factorization.

555285378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92547568.

The product of its digits is 1680000, while the sum is 48.

The square root of 555285378 is about 23564.4940111177. The cubic root of 555285378 is about 821.9374068049.

It can be divided in two parts, 55528 and 5378, that added together give a palindrome (60906).

The spelling of 555285378 in words is "five hundred fifty-five million, two hundred eighty-five thousand, three hundred seventy-eight".