554531868 has 144 divisors (see below), whose sum is σ = 1573108992. Its totient is φ = 164656800.

The previous prime is 554531867. The next prime is 554531921. The reversal of 554531868 is 868135455.

554531868 is a `hidden beast` number, since 5 + 54 + 531 + 8 + 68 = 666.

Its product of digits (576000) is a multiple of the sum of its prime divisors (250).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554531867) 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 47 ways as a sum of consecutive naturals, for example, 3401955 + ... + 3402117.

It is an arithmetic number, because the mean of its divisors is an integer number (10924368).

Almost surely, 2^554531868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 554531868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786554496).

554531868 is an abundant number, since it is smaller than the sum of its proper divisors (1018577124).

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

554531868 is a wasteful number, since it uses less digits than its factorization.

554531868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 250 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 554531868 is about 23548.5003344162. The cubic root of 554531868 is about 821.5654548717.

The spelling of 554531868 in words is "five hundred fifty-four million, five hundred thirty-one thousand, eight hundred sixty-eight".