53130520344 has 128 divisors (see below), whose sum is σ = 155406470400. Its totient is φ = 14964917760.

The previous prime is 53130520337. The next prime is 53130520349. The reversal of 53130520344 is 44302503135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53130520349) 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 31 ways as a sum of consecutive naturals, for example, 165922 + ... + 365774.

It is an arithmetic number, because the mean of its divisors is an integer number (1214113050).

Almost surely, 2^53130520344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53130520344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77703235200).

53130520344 is an abundant number, since it is smaller than the sum of its proper divisors (102275950056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53130520344 is a wasteful number, since it uses less digits than its factorization.

53130520344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199945 (or 199941 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 53130520344 in words is "fifty-three billion, one hundred thirty million, five hundred twenty thousand, three hundred forty-four".