555480744 has 128 divisors (see below), whose sum is σ = 1720535040. Its totient is φ = 145527552.

The previous prime is 555480721. The next prime is 555480803. The reversal of 555480744 is 447084555.

It is a happy number.

555480744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 555480696 and 555480705.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 363967 + ... + 365489.

It is an arithmetic number, because the mean of its divisors is an integer number (13441680).

Almost surely, 2^555480744 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 555480744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860267520).

555480744 is an abundant number, since it is smaller than the sum of its proper divisors (1165054296).

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

555480744 is a wasteful number, since it uses less digits than its factorization.

555480744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719 (or 1715 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 42.

The square root of 555480744 is about 23568.6389933742. The cubic root of 555480744 is about 822.0337895547.

The spelling of 555480744 in words is "five hundred fifty-five million, four hundred eighty thousand, seven hundred forty-four".