538507564 has 12 divisors (see below), whose sum is σ = 1077015184. Its totient is φ = 230788944.

The previous prime is 538507561. The next prime is 538507597. The reversal of 538507564 is 465705835.

538507564 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 538507564.

It is not an unprimeable number, because it can be changed into a prime (538507561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9616179 + ... + 9616234.

Almost surely, 2^538507564 is an apocalyptic number.

It is an amenable number.

538507564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

538507564 is a wasteful number, since it uses less digits than its factorization.

538507564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19232424 (or 19232422 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 538507564 is about 23205.7657490547. The cubic root of 538507564 is about 813.5743900878.

The spelling of 538507564 in words is "five hundred thirty-eight million, five hundred seven thousand, five hundred sixty-four".