536531568 has 40 divisors (see below), whose sum is σ = 1387113600. Its totient is φ = 178705344.

The previous prime is 536531551. The next prime is 536531621. The reversal of 536531568 is 865135635.

It is a happy number.

It is a super-2 number, since 2×536531568² = 575732246921077248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72253 + ... + 79331.

It is an arithmetic number, because the mean of its divisors is an integer number (34677840).

Almost surely, 2^536531568 is an apocalyptic number.

It is an amenable number.

536531568 is an abundant number, since it is smaller than the sum of its proper divisors (850582032).

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

536531568 is a wasteful number, since it uses less digits than its factorization.

536531568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8669 (or 8663 counting only the distinct ones).

The product of its digits is 324000, while the sum is 42.

The square root of 536531568 is about 23163.1510809734. The cubic root of 536531568 is about 812.5780623381.

The spelling of 536531568 in words is "five hundred thirty-six million, five hundred thirty-one thousand, five hundred sixty-eight".