553065440 has 48 divisors (see below), whose sum is σ = 1308037248. Its totient is φ = 220985856.

The previous prime is 553065439. The next prime is 553065449. The reversal of 553065440 is 44560355.

553065440 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 (32).

It is a junction number, because it is equal to n+sod(n) for n = 553065397 and 553065406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553065449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257009 + ... + 259151.

It is an arithmetic number, because the mean of its divisors is an integer number (27250776).

Almost surely, 2^553065440 is an apocalyptic number.

It is an amenable number.

553065440 is an abundant number, since it is smaller than the sum of its proper divisors (754971808).

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

553065440 is a wasteful number, since it uses less digits than its factorization.

553065440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771 (or 3763 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 553065440 is about 23517.3433873812. The cubic root of 553065440 is about 820.8406211887.

The spelling of 553065440 in words is "five hundred fifty-three million, sixty-five thousand, four hundred forty".