53532537613 has 4 divisors (see below), whose sum is σ = 54286517088. Its totient is φ = 52778558140.

The previous prime is 53532537571. The next prime is 53532537631. The reversal of 53532537613 is 31673523535.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53532537613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53532537613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53532537713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376989631 + ... + 376989772.

It is an arithmetic number, because the mean of its divisors is an integer number (13571629272).

Almost surely, 2^53532537613 is an apocalyptic number.

It is an amenable number.

53532537613 is a deficient number, since it is larger than the sum of its proper divisors (753979475).

53532537613 is an equidigital number, since it uses as much as digits as its factorization.

53532537613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753979474.

The product of its digits is 850500, while the sum is 43.

The spelling of 53532537613 in words is "fifty-three billion, five hundred thirty-two million, five hundred thirty-seven thousand, six hundred thirteen".