553218740 has 48 divisors (see below), whose sum is σ = 1197685440. Its totient is φ = 214513920.

The previous prime is 553218739. The next prime is 553218769. The reversal of 553218740 is 47812355.

It is a happy number.

553218740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 553218740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131591 + ... + 135729.

It is an arithmetic number, because the mean of its divisors is an integer number (24951780).

Almost surely, 2^553218740 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 553218740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598842720).

553218740 is an abundant number, since it is smaller than the sum of its proper divisors (644466700).

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

553218740 is a wasteful number, since it uses less digits than its factorization.

553218740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352 (or 4350 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 553218740 is about 23520.6024582705. The cubic root of 553218740 is about 820.9164550373.

The spelling of 553218740 in words is "five hundred fifty-three million, two hundred eighteen thousand, seven hundred forty".