535531540 has 24 divisors (see below), whose sum is σ = 1173513600. Its totient is φ = 204898848.

The previous prime is 535531531. The next prime is 535531547. The reversal of 535531540 is 45135535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535531547) 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, 581640 + ... + 582559.

It is an arithmetic number, because the mean of its divisors is an integer number (48896400).

Almost surely, 2^535531540 is an apocalyptic number.

It is an amenable number.

535531540 is an abundant number, since it is smaller than the sum of its proper divisors (637982060).

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

535531540 is a wasteful number, since it uses less digits than its factorization.

535531540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164231 (or 1164229 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 535531540 is about 23141.5543989595. The cubic root of 535531540 is about 812.0729002633.

The spelling of 535531540 in words is "five hundred thirty-five million, five hundred thirty-one thousand, five hundred forty".