53436444135 has 32 divisors (see below), whose sum is σ = 87146316288. Its totient is φ = 27950532480.

The previous prime is 53436444133. The next prime is 53436444161. The reversal of 53436444135 is 53144463435.

It is not a de Polignac number, because 53436444135 - 2¹ = 53436444133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53436444133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2206804 + ... + 2230886.

It is an arithmetic number, because the mean of its divisors is an integer number (2723322384).

Almost surely, 2^53436444135 is an apocalyptic number.

53436444135 is a deficient number, since it is larger than the sum of its proper divisors (33709872153).

53436444135 is a wasteful number, since it uses less digits than its factorization.

53436444135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26935.

The product of its digits is 1036800, while the sum is 42.

The spelling of 53436444135 in words is "fifty-three billion, four hundred thirty-six million, four hundred forty-four thousand, one hundred thirty-five".