53451322520013 has 24 divisors (see below), whose sum is σ = 86943304670976. Its totient is φ = 31349749276800.

The previous prime is 53451322520003. The next prime is 53451322520041. The reversal of 53451322520013 is 31002522315435.

53451322520013 is a `hidden beast` number, since 53 + 4 + 51 + 3 + 22 + 520 + 0 + 13 = 666.

It is not a de Polignac number, because 53451322520013 - 2⁸ = 53451322519757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53451322520013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53451322520003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8708260620 + ... + 8708266757.

It is an arithmetic number, because the mean of its divisors is an integer number (3622637694624).

Almost surely, 2^{53451322520013} is an apocalyptic number.

It is an amenable number.

53451322520013 is a deficient number, since it is larger than the sum of its proper divisors (33491982150963).

53451322520013 is a wasteful number, since it uses less digits than its factorization.

53451322520013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17416527425 (or 17416527422 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 53451322520013 its reverse (31002522315435), we get a palindrome (84453844835448).

The spelling of 53451322520013 in words is "fifty-three trillion, four hundred fifty-one billion, three hundred twenty-two million, five hundred twenty thousand, thirteen".