53136459 has 8 divisors (see below), whose sum is σ = 78720720. Its totient is φ = 35424288.

The previous prime is 53136443. The next prime is 53136469. The reversal of 53136459 is 95463135.

53136459 is a `hidden beast` number, since 5 + 3 + 1 + 3 + 645 + 9 = 666.

53136459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53136459 - 2⁴ = 53136443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53136469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983982 + ... + 984035.

It is an arithmetic number, because the mean of its divisors is an integer number (9840090).

Almost surely, 2^53136459 is an apocalyptic number.

53136459 is a deficient number, since it is larger than the sum of its proper divisors (25584261).

53136459 is a wasteful number, since it uses less digits than its factorization.

53136459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968026 (or 1968020 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 53136459 is about 7289.4759070869. The cubic root of 53136459 is about 375.9506758711.

It can be divided in two parts, 53 and 136459, that multiplied together give a palindrome (7232327).

The spelling of 53136459 in words is "fifty-three million, one hundred thirty-six thousand, four hundred fifty-nine".