554281056 has 288 divisors, whose sum is σ = 1981324800. Its totient is φ = 148801536.

The previous prime is 554281027. The next prime is 554281061. The reversal of 554281056 is 650182455.

554281056 is a `hidden beast` number, since 5 + 542 + 8 + 105 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 554281056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 925045 + ... + 925643.

It is an arithmetic number, because the mean of its divisors is an integer number (6879600).

Almost surely, 2^554281056 is an apocalyptic number.

554281056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 554281056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (990662400).

554281056 is an abundant number, since it is smaller than the sum of its proper divisors (1427043744).

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

554281056 is a wasteful number, since it uses less digits than its factorization.

554281056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 554281056 is about 23543.1742974477. The cubic root of 554281056 is about 821.4415728726.

The spelling of 554281056 in words is "five hundred fifty-four million, two hundred eighty-one thousand, fifty-six".