36555961 has 8 divisors (see below), whose sum is σ = 39557504. Its totient is φ = 33581520.

The previous prime is 36555941. The next prime is 36556007. The reversal of 36555961 is 16955563.

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

It is a cyclic number.

It is not a de Polignac number, because 36555961 - 2⁵ = 36555929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36555941) 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, 3921 + ... + 9406.

It is an arithmetic number, because the mean of its divisors is an integer number (4944688).

Almost surely, 2^36555961 is an apocalyptic number.

It is an amenable number.

36555961 is a deficient number, since it is larger than the sum of its proper divisors (3001543).

36555961 is a wasteful number, since it uses less digits than its factorization.

36555961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13551.

The product of its digits is 121500, while the sum is 40.

The square root of 36555961 is about 6046.1525782931. The cubic root of 36555961 is about 331.8838110142.

The spelling of 36555961 in words is "thirty-six million, five hundred fifty-five thousand, nine hundred sixty-one".