535553440 has 48 divisors (see below), whose sum is σ = 1308885480. Its totient is φ = 206832640.

The previous prime is 535553423. The next prime is 535553449. The reversal of 535553440 is 44355535.

It can be written as a sum of positive squares in 4 ways, for example, as 421234576 + 114318864 = 20524^2 + 10692^2 .

It is a junction number, because it is equal to n+sod(n) for n = 535553396 and 535553405.

It is not an unprimeable number, because it can be changed into a prime (535553449) 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, 53071 + ... + 62350.

Almost surely, 2^535553440 is an apocalyptic number.

It is an amenable number.

535553440 is an abundant number, since it is smaller than the sum of its proper divisors (773332040).

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

535553440 is a wasteful number, since it uses less digits than its factorization.

535553440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115465 (or 115457 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 34.

The square root of 535553440 is about 23142.0275689059. The cubic root of 535553440 is about 812.0839697353.

The spelling of 535553440 in words is "five hundred thirty-five million, five hundred fifty-three thousand, four hundred forty".