553534840 has 32 divisors (see below), whose sum is σ = 1246124880. Its totient is φ = 221294592.

The previous prime is 553534811. The next prime is 553534871. The reversal of 553534840 is 48435355.

553534840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 553534840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136279 + ... + 140281.

Almost surely, 2^553534840 is an apocalyptic number.

It is an amenable number.

553534840 is an abundant number, since it is smaller than the sum of its proper divisors (692590040).

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

553534840 is a wasteful number, since it uses less digits than its factorization.

553534840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7471 (or 7467 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 553534840 is about 23527.3211394753. The cubic root of 553534840 is about 821.0727779438.

The spelling of 553534840 in words is "five hundred fifty-three million, five hundred thirty-four thousand, eight hundred forty".