555220680 has 256 divisors, whose sum is σ = 2052864000. Its totient is φ = 117239808.

The previous prime is 555220669. The next prime is 555220681. The reversal of 555220680 is 86022555.

It is not an unprimeable number, because it can be changed into a prime (555220681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 842191 + ... + 842849.

It is an arithmetic number, because the mean of its divisors is an integer number (8019000).

Almost surely, 2^555220680 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 555220680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026432000).

555220680 is an abundant number, since it is smaller than the sum of its proper divisors (1497643320).

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

555220680 is a wasteful number, since it uses less digits than its factorization.

555220680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 555220680 is about 23563.1211854457. The cubic root of 555220680 is about 821.9054834169.

The spelling of 555220680 in words is "five hundred fifty-five million, two hundred twenty thousand, six hundred eighty".