36053821 has 8 divisors (see below), whose sum is σ = 38526840. Its totient is φ = 33619968.

The previous prime is 36053819. The next prime is 36053827. The reversal of 36053821 is 12835063.

It can be written as a sum of positive squares in 4 ways, for example, as 18922500 + 17131321 = 4350^2 + 4139^2 .

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 36053821 - 2¹ = 36053819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36053821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36053827) 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, 7876 + ... + 11581.

It is an arithmetic number, because the mean of its divisors is an integer number (4815855).

Almost surely, 2^36053821 is an apocalyptic number.

It is an amenable number.

36053821 is a deficient number, since it is larger than the sum of its proper divisors (2473019).

36053821 is a wasteful number, since it uses less digits than its factorization.

36053821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19583.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 36053821 is about 6004.4834082542. The cubic root of 36053821 is about 330.3571920543.

Adding to 36053821 its reverse (12835063), we get a palindrome (48888884).

The spelling of 36053821 in words is "thirty-six million, fifty-three thousand, eight hundred twenty-one".