36557 has 4 divisors (see below), whose sum is σ = 36960. Its totient is φ = 36156.

The previous prime is 36551. The next prime is 36559. The reversal of 36557 is 75563.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 36557 - 2⁴ = 36541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 36557.

It is not an unprimeable number, because it can be changed into a prime (36551) 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, 8 + ... + 270.

It is an arithmetic number, because the mean of its divisors is an integer number (9240).

2³⁶⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

36557 is a deficient number, since it is larger than the sum of its proper divisors (403).

36557 is a wasteful number, since it uses less digits than its factorization.

36557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402.

The product of its digits is 3150, while the sum is 26.

The square root of 36557 is about 191.1988493689. The cubic root of 36557 is about 33.1886955271.

The spelling of 36557 in words is "thirty-six thousand, five hundred fifty-seven".