556775520 has 96 divisors (see below), whose sum is σ = 2004403968. Its totient is φ = 127262208.

The previous prime is 556775509. The next prime is 556775579. The reversal of 556775520 is 25577655.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79494 + ... + 86213.

It is an arithmetic number, because the mean of its divisors is an integer number (20879208).

Almost surely, 2^556775520 is an apocalyptic number.

It is an amenable number.

556775520 is an abundant number, since it is smaller than the sum of its proper divisors (1447628448).

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

556775520 is a wasteful number, since it uses less digits than its factorization.

556775520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165732 (or 165724 counting only the distinct ones).

The product of its (nonzero) digits is 367500, while the sum is 42.

The square root of 556775520 is about 23596.0912017224. The cubic root of 556775520 is about 822.6719897291.

The spelling of 556775520 in words is "five hundred fifty-six million, seven hundred seventy-five thousand, five hundred twenty".