53540531013 has 4 divisors (see below), whose sum is σ = 71387374688. Its totient is φ = 35693687340.

The previous prime is 53540530991. The next prime is 53540531021. The reversal of 53540531013 is 31013504535.

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 not a de Polignac number, because 53540531013 - 2¹² = 53540526917 is a prime.

It is a super-2 number, since 2×53540531013² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53540531063) 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, 8923421833 + ... + 8923421838.

It is an arithmetic number, because the mean of its divisors is an integer number (17846843672).

Almost surely, 2^53540531013 is an apocalyptic number.

It is an amenable number.

53540531013 is a deficient number, since it is larger than the sum of its proper divisors (17846843675).

53540531013 is a wasteful number, since it uses less digits than its factorization.

53540531013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17846843674.

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 53540531013 in words is "fifty-three billion, five hundred forty million, five hundred thirty-one thousand, thirteen".