36565956 has 108 divisors (see below), whose sum is σ = 113284080. Its totient is φ = 9888480.

The previous prime is 36565951. The next prime is 36565981. The reversal of 36565956 is 65956563.

36565956 is a `hidden beast` number, since 3 + 6 + 56 + 595 + 6 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (36565951) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32971 + ... + 34061.

Almost surely, 2^36565956 is an apocalyptic number.

36565956 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36565956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56642040).

36565956 is an abundant number, since it is smaller than the sum of its proper divisors (76718124).

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

36565956 is a wasteful number, since it uses less digits than its factorization.

36565956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 1122 counting only the distinct ones).

The product of its digits is 729000, while the sum is 45.

The square root of 36565956 is about 6046.9790804996. The cubic root of 36565956 is about 331.9140557524.

The spelling of 36565956 in words is "thirty-six million, five hundred sixty-five thousand, nine hundred fifty-six".