555799880 has 16 divisors (see below), whose sum is σ = 1250549820. Its totient is φ = 222319936.

The previous prime is 555799873. The next prime is 555799889. The reversal of 555799880 is 88997555.

It can be written as a sum of positive squares in 2 ways, for example, as 553284484 + 2515396 = 23522^2 + 1586^2 .

It is not an unprimeable number, because it can be changed into a prime (555799889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6947459 + ... + 6947538.

Almost surely, 2^555799880 is an apocalyptic number.

It is an amenable number.

555799880 is an abundant number, since it is smaller than the sum of its proper divisors (694749940).

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

555799880 is a wasteful number, since it uses less digits than its factorization.

555799880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13895008 (or 13895004 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 56.

The square root of 555799880 is about 23575.4083739816. The cubic root of 555799880 is about 822.1911849605.

The spelling of 555799880 in words is "five hundred fifty-five million, seven hundred ninety-nine thousand, eight hundred eighty".