538546536 has 256 divisors, whose sum is σ = 1762560000. Its totient is φ = 150543360.

The previous prime is 538546531. The next prime is 538546597. The reversal of 538546536 is 635645835.

538546536 is a `hidden beast` number, since 53 + 8 + 546 + 53 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 538546491 and 538546500.

It is not an unprimeable number, because it can be changed into a prime (538546531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2706165 + ... + 2706363.

It is an arithmetic number, because the mean of its divisors is an integer number (6885000).

Almost surely, 2^538546536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538546536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (881280000).

538546536 is an abundant number, since it is smaller than the sum of its proper divisors (1224013464).

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

538546536 is a wasteful number, since it uses less digits than its factorization.

538546536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 299 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The square root of 538546536 is about 23206.6054389693. The cubic root of 538546536 is about 813.5940158452.

The spelling of 538546536 in words is "five hundred thirty-eight million, five hundred forty-six thousand, five hundred thirty-six".