535551540 has 48 divisors (see below), whose sum is σ = 1503351360. Its totient is φ = 142451200.

The previous prime is 535551521. The next prime is 535551557. The reversal of 535551540 is 45155535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12931 + ... + 35189.

It is an arithmetic number, because the mean of its divisors is an integer number (31319820).

Almost surely, 2^535551540 is an apocalyptic number.

It is an amenable number.

535551540 is an abundant number, since it is smaller than the sum of its proper divisors (967799820).

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

535551540 is a wasteful number, since it uses less digits than its factorization.

535551540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22672 (or 22670 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 33.

The square root of 535551540 is about 23141.9865180153. The cubic root of 535551540 is about 812.0830093821.

The spelling of 535551540 in words is "five hundred thirty-five million, five hundred fifty-one thousand, five hundred forty".