555904608 has 144 divisors (see below), whose sum is σ = 1727127360. Its totient is φ = 156059904.

The previous prime is 555904597. The next prime is 555904619. The reversal of 555904608 is 806409555.

It is an interprime number because it is at equal distance from previous prime (555904597) and next prime (555904619).

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

It is a self number, because there is not a number n which added to its sum of digits gives 555904608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276535 + ... + 278537.

It is an arithmetic number, because the mean of its divisors is an integer number (11993940).

Almost surely, 2^555904608 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 555904608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863563680).

555904608 is an abundant number, since it is smaller than the sum of its proper divisors (1171222752).

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

555904608 is a wasteful number, since it uses less digits than its factorization.

555904608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089 (or 2074 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 555904608 is about 23577.6293973758. The cubic root of 555904608 is about 822.2428228694.

The spelling of 555904608 in words is "five hundred fifty-five million, nine hundred four thousand, six hundred eight".