5552778 has 96 divisors (see below), whose sum is σ = 15069888. Its totient is φ = 1344000.

The previous prime is 5552773. The next prime is 5552779. The reversal of 5552778 is 8772555.

5552778 is a nontrivial binomial coefficient, being equal to C(3333, 2).

It is not an unprimeable number, because it can be changed into a prime (5552773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54928 + ... + 55028.

It is an arithmetic number, because the mean of its divisors is an integer number (156978).

Almost surely, 2^5552778 is an apocalyptic number.

5552778 is the 3332-nd triangular number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5552778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7534944).

5552778 is an abundant number, since it is smaller than the sum of its proper divisors (9517110).

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

5552778 is a wasteful number, since it uses less digits than its factorization.

5552778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 141 counting only the distinct ones).

The product of its digits is 98000, while the sum is 39.

The square root of 5552778 is about 2356.4333217810. The cubic root of 5552778 is about 177.0802406780.

It can be divided in two parts, 555 and 2778, that added together give a palindrome (3333).

The spelling of 5552778 in words is "five million, five hundred fifty-two thousand, seven hundred seventy-eight".