554139168 has 96 divisors (see below), whose sum is σ = 1616956992. Its totient is φ = 164736000.

The previous prime is 554139143. The next prime is 554139169. The reversal of 554139168 is 861931455.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (554139169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51018 + ... + 60918.

It is an arithmetic number, because the mean of its divisors is an integer number (16843302).

Almost surely, 2^554139168 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 554139168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808478496).

554139168 is an abundant number, since it is smaller than the sum of its proper divisors (1062817824).

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

554139168 is a wasteful number, since it uses less digits than its factorization.

554139168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9978 (or 9970 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 554139168 is about 23540.1607471147. The cubic root of 554139168 is about 821.3714744708.

The spelling of 554139168 in words is "five hundred fifty-four million, one hundred thirty-nine thousand, one hundred sixty-eight".