53836609 has 2 divisors, whose sum is σ = 53836610. Its totient is φ = 53836608.

The previous prime is 53836547. The next prime is 53836619. The reversal of 53836609 is 90663835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30217009 + 23619600 = 5497^2 + 4860^2 .

It is a cyclic number.

It is not a de Polignac number, because 53836609 - 2¹³ = 53828417 is a prime.

It is not a weakly prime, because it can be changed into another prime (53836619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26918304 + 26918305.

It is an arithmetic number, because the mean of its divisors is an integer number (26918305).

Almost surely, 2^53836609 is an apocalyptic number.

It is an amenable number.

53836609 is a deficient number, since it is larger than the sum of its proper divisors (1).

53836609 is an equidigital number, since it uses as much as digits as its factorization.

53836609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 53836609 is about 7337.3434565924. The cubic root of 53836609 is about 377.5947080475.

It can be divided in two parts, 53836 and 609, that added together give a palindrome (54445).

The spelling of 53836609 in words is "fifty-three million, eight hundred thirty-six thousand, six hundred nine".