53136455 has 4 divisors (see below), whose sum is σ = 63763752. Its totient is φ = 42509160.

The previous prime is 53136443. The next prime is 53136469. The reversal of 53136455 is 55463135.

53136455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53136455 - 2⁸ = 53136199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5313641 + ... + 5313650.

It is an arithmetic number, because the mean of its divisors is an integer number (15940938).

Almost surely, 2^53136455 is an apocalyptic number.

53136455 is a deficient number, since it is larger than the sum of its proper divisors (10627297).

53136455 is a wasteful number, since it uses less digits than its factorization.

53136455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10627296.

The product of its digits is 27000, while the sum is 32.

The square root of 53136455 is about 7289.4756327187. The cubic root of 53136455 is about 375.9506664375.

The spelling of 53136455 in words is "fifty-three million, one hundred thirty-six thousand, four hundred fifty-five".