36053989 has 16 divisors (see below), whose sum is σ = 38502000. Its totient is φ = 33707520.

The previous prime is 36053987. The next prime is 36053993. The reversal of 36053989 is 98935063.

It can be written as a sum of positive squares in 8 ways, for example, as 1361889 + 34692100 = 1167^2 + 5890^2 .

It is a cyclic number.

It is not a de Polignac number, because 36053989 - 2¹ = 36053987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36053981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157327 + ... + 157555.

It is an arithmetic number, because the mean of its divisors is an integer number (2406375).

Almost surely, 2^36053989 is an apocalyptic number.

It is an amenable number.

36053989 is a deficient number, since it is larger than the sum of its proper divisors (2448011).

36053989 is a wasteful number, since it uses less digits than its factorization.

36053989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 36053989 is about 6004.4973977844. The cubic root of 36053989 is about 330.3577051753.

The spelling of 36053989 in words is "thirty-six million, fifty-three thousand, nine hundred eighty-nine".