53408523 has 16 divisors (see below), whose sum is σ = 81582336. Its totient is φ = 30444960.

The previous prime is 53408521. The next prime is 53408539. The reversal of 53408523 is 32580435.

It is not a de Polignac number, because 53408523 - 2¹ = 53408521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53408521) 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, 6433 + ... + 12173.

It is an arithmetic number, because the mean of its divisors is an integer number (5098896).

Almost surely, 2^53408523 is an apocalyptic number.

53408523 is a deficient number, since it is larger than the sum of its proper divisors (28173813).

53408523 is a wasteful number, since it uses less digits than its factorization.

53408523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6194.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 53408523 is about 7308.1135048657. The cubic root of 53408523 is about 376.5912189537.

Adding to 53408523 its reverse (32580435), we get a palindrome (85988958).

The spelling of 53408523 in words is "fifty-three million, four hundred eight thousand, five hundred twenty-three".