6552378 has 144 divisors (see below), whose sum is σ = 19206720. Its totient is φ = 1596672.

The previous prime is 6552373. The next prime is 6552379. The reversal of 6552378 is 8732556.

6552378 is a `hidden beast` number, since 65 + 523 + 78 = 666.

It is a d-powerful number, because it can be written as 6⁸ + 5⁵ + 5⁷ + 2¹³ + 3¹⁴ + 7³ + 8 .

It is not an unprimeable number, because it can be changed into a prime (6552373) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 284875 + ... + 284897.

It is an arithmetic number, because the mean of its divisors is an integer number (133380).

Almost surely, 2^6552378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6552378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9603360).

6552378 is an abundant number, since it is smaller than the sum of its proper divisors (12654342).

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

6552378 is a wasteful number, since it uses less digits than its factorization.

6552378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 71 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 6552378 is about 2559.7613169981. The cubic root of 6552378 is about 187.1255031760.

The spelling of 6552378 in words is "six million, five hundred fifty-two thousand, three hundred seventy-eight".