555079680 has 288 divisors, whose sum is σ = 2031447600. Its totient is φ = 139788288.

The previous prime is 555079673. The next prime is 555079703. The reversal of 555079680 is 86970555.

555079680 is a `hidden beast` number, since 5 + 550 + 7 + 96 + 8 + 0 = 666.

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

It is a super-2 number, since 2×555079680² = 616226902297804800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1750882 + ... + 1751198.

Almost surely, 2^555079680 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 555079680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015723800).

555079680 is an abundant number, since it is smaller than the sum of its proper divisors (1476367920).

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

555079680 is a wasteful number, since it uses less digits than its factorization.

555079680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The square root of 555079680 is about 23560.1290319047. The cubic root of 555079680 is about 821.8359023843.

The spelling of 555079680 in words is "five hundred fifty-five million, seventy-nine thousand, six hundred eighty".