36055591 has 16 divisors (see below), whose sum is σ = 42850080. Its totient is φ = 29905920.

The previous prime is 36055583. The next prime is 36055601. The reversal of 36055591 is 19555063.

It is not a de Polignac number, because 36055591 - 2³ = 36055583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36052591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11311 + ... + 14143.

It is an arithmetic number, because the mean of its divisors is an integer number (2678130).

Almost surely, 2^36055591 is an apocalyptic number.

36055591 is a deficient number, since it is larger than the sum of its proper divisors (6794489).

36055591 is a wasteful number, since it uses less digits than its factorization.

36055591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946.

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 36055591 is about 6004.6307963105. The cubic root of 36055591 is about 330.3625980708.

The spelling of 36055591 in words is "thirty-six million, fifty-five thousand, five hundred ninety-one".