553844640 has 96 divisors (see below), whose sum is σ = 1760222016. Its totient is φ = 146370560.

The previous prime is 553844617. The next prime is 553844651. The reversal of 553844640 is 46448355.

553844640 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

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, 49135 + ... + 59345.

It is an arithmetic number, because the mean of its divisors is an integer number (18335646).

Almost surely, 2^553844640 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 553844640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (880111008).

553844640 is an abundant number, since it is smaller than the sum of its proper divisors (1206377376).

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

553844640 is a wasteful number, since it uses less digits than its factorization.

553844640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10342 (or 10334 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The square root of 553844640 is about 23533.9040535139. The cubic root of 553844640 is about 821.2259275370.

The spelling of 553844640 in words is "five hundred fifty-three million, eight hundred forty-four thousand, six hundred forty".