538535616 has 56 divisors (see below), whose sum is σ = 1486838784. Its totient is φ = 171705600.

The previous prime is 538535587. The next prime is 538535651. The reversal of 538535616 is 616535835.

It is a happy 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, 56560 + ... + 65391.

Almost surely, 2^538535616 is an apocalyptic number.

It is an amenable number.

538535616 is an abundant number, since it is smaller than the sum of its proper divisors (948303168).

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

538535616 is a wasteful number, since it uses less digits than its factorization.

538535616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121989 (or 121979 counting only the distinct ones).

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

The square root of 538535616 is about 23206.3701599367. The cubic root of 538535616 is about 813.5885167805.

The spelling of 538535616 in words is "five hundred thirty-eight million, five hundred thirty-five thousand, six hundred sixteen".