553011640 has 16 divisors (see below), whose sum is σ = 1244276280. Its totient is φ = 221204640.

The previous prime is 553011637. The next prime is 553011677. The reversal of 553011640 is 46110355.

553011640 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6912606 + ... + 6912685.

Almost surely, 2^553011640 is an apocalyptic number.

It is an amenable number.

553011640 is an abundant number, since it is smaller than the sum of its proper divisors (691264640).

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

553011640 is a wasteful number, since it uses less digits than its factorization.

553011640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13825302 (or 13825298 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 553011640 is about 23516.1995228821. The cubic root of 553011640 is about 820.8140042917.

Adding to 553011640 its reverse (46110355), we get a palindrome (599121995).

The spelling of 553011640 in words is "five hundred fifty-three million, eleven thousand, six hundred forty".