36556521 has 8 divisors (see below), whose sum is σ = 48919104. Its totient is φ = 24282480.

The previous prime is 36556489. The next prime is 36556537. The reversal of 36556521 is 12565563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36556521 - 2⁵ = 36556489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36556561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21165 + ... + 22826.

It is an arithmetic number, because the mean of its divisors is an integer number (6114888).

Almost surely, 2^36556521 is an apocalyptic number.

It is an amenable number.

36556521 is a deficient number, since it is larger than the sum of its proper divisors (12362583).

36556521 is a wasteful number, since it uses less digits than its factorization.

36556521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44271.

The product of its digits is 27000, while the sum is 33.

The square root of 36556521 is about 6046.1988885580. The cubic root of 36556521 is about 331.8855057126.

The spelling of 36556521 in words is "thirty-six million, five hundred fifty-six thousand, five hundred twenty-one".