53144333523 has 12 divisors (see below), whose sum is σ = 79607150168. Its totient is φ = 35429555520.

The previous prime is 53144333521. The next prime is 53144333551. The reversal of 53144333523 is 32533344135.

53144333523 is a `hidden beast` number, since 5 + 314 + 4 + 3 + 335 + 2 + 3 = 666.

It is not a de Polignac number, because 53144333523 - 2¹ = 53144333521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53144333521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109350238 + ... + 109350723.

Almost surely, 2^53144333523 is an apocalyptic number.

53144333523 is a deficient number, since it is larger than the sum of its proper divisors (26462816645).

53144333523 is an equidigital number, since it uses as much as digits as its factorization.

53144333523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218700976 (or 218700964 counting only the distinct ones).

The product of its digits is 194400, while the sum is 36.

Adding to 53144333523 its reverse (32533344135), we get a palindrome (85677677658).

The spelling of 53144333523 in words is "fifty-three billion, one hundred forty-four million, three hundred thirty-three thousand, five hundred twenty-three".