555489480 has 384 divisors, whose sum is σ = 2148854400. Its totient is φ = 114476544.

The previous prime is 555489427. The next prime is 555489481. The reversal of 555489480 is 84984555.

It is not an unprimeable number, because it can be changed into a prime (555489481) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12918339 + ... + 12918381.

It is an arithmetic number, because the mean of its divisors is an integer number (5595975).

Almost surely, 2^555489480 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 555489480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1074427200).

555489480 is an abundant number, since it is smaller than the sum of its proper divisors (1593364920).

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

555489480 is a wasteful number, since it uses less digits than its factorization.

555489480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 48.

The square root of 555489480 is about 23568.8243236696. The cubic root of 555489480 is about 822.0380988847.

The spelling of 555489480 in words is "five hundred fifty-five million, four hundred eighty-nine thousand, four hundred eighty".