554608656 has 180 divisors, whose sum is σ = 1829226672. Its totient is φ = 156385152.

The previous prime is 554608643. The next prime is 554608669. The reversal of 554608656 is 656806455.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (554608643) and next prime (554608669).

It is a super-2 number, since 2×554608656² = 615181522620252672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 585175 + ... + 586121.

Almost surely, 2^554608656 is an apocalyptic number.

554608656 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 554608656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (914613336).

554608656 is an abundant number, since it is smaller than the sum of its proper divisors (1274618016).

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

554608656 is a wasteful number, since it uses less digits than its factorization.

554608656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The square root of 554608656 is about 23550.1307002743. The cubic root of 554608656 is about 821.6033748183.

The spelling of 554608656 in words is "five hundred fifty-four million, six hundred eight thousand, six hundred fifty-six".