555049320 has 256 divisors, whose sum is σ = 2060328960. Its totient is φ = 116723712.

The previous prime is 555049307. The next prime is 555049331. The reversal of 555049320 is 23940555.

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 63 ways as a sum of consecutive naturals, for example, 670747 + ... + 671573.

It is an arithmetic number, because the mean of its divisors is an integer number (8048160).

Almost surely, 2^555049320 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 555049320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030164480).

555049320 is an abundant number, since it is smaller than the sum of its proper divisors (1505279640).

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

555049320 is a wasteful number, since it uses less digits than its factorization.

555049320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 555049320 is about 23559.4847142292. The cubic root of 555049320 is about 821.8209187139.

Adding to 555049320 its reverse (23940555), we get a palindrome (578989875).

The spelling of 555049320 in words is "five hundred fifty-five million, forty-nine thousand, three hundred twenty".