555964560 has 140 divisors (see below), whose sum is σ = 1938243132. Its totient is φ = 148241664.

The previous prime is 555964547. The next prime is 555964561. The reversal of 555964560 is 65469555.

555964560 is a `hidden beast` number, since 5 + 5 + 596 + 4 + 56 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 143712144 + 412252416 = 11988^2 + 20304^2 .

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

It is not an unprimeable number, because it can be changed into a prime (555964561) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 53554 + ... + 63086.

Almost surely, 2^555964560 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 555964560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (969121566).

555964560 is an abundant number, since it is smaller than the sum of its proper divisors (1382278572).

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

555964560 is an equidigital number, since it uses as much as digits as its factorization.

555964560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9564 (or 9543 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The square root of 555964560 is about 23578.9007377358. The cubic root of 555964560 is about 822.2723802965.

The spelling of 555964560 in words is "five hundred fifty-five million, nine hundred sixty-four thousand, five hundred sixty".