53433044513 has 16 divisors (see below), whose sum is σ = 54828824400. Its totient is φ = 52060839936.

The previous prime is 53433044501. The next prime is 53433044531. The reversal of 53433044513 is 31544033435.

It can be written as a sum of positive squares in 8 ways, for example, as 5326518289 + 48106526224 = 72983^2 + 219332^2 .

It is a cyclic number.

It is not a de Polignac number, because 53433044513 - 2¹² = 53433040417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53433044563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1616831 + ... + 1649547.

It is an arithmetic number, because the mean of its divisors is an integer number (3426801525).

Almost surely, 2^53433044513 is an apocalyptic number.

It is an amenable number.

53433044513 is a deficient number, since it is larger than the sum of its proper divisors (1395779887).

53433044513 is a wasteful number, since it uses less digits than its factorization.

53433044513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33076.

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 53433044513 its reverse (31544033435), we get a palindrome (84977077948).

The spelling of 53433044513 in words is "fifty-three billion, four hundred thirty-three million, forty-four thousand, five hundred thirteen".