53126042844 has 72 divisors (see below), whose sum is σ = 144459035280. Its totient is φ = 15151524864.

The previous prime is 53126042843. The next prime is 53126042857. The reversal of 53126042844 is 44824062135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53126042843) 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 23 ways as a sum of consecutive naturals, for example, 246412 + ... + 408620.

It is an arithmetic number, because the mean of its divisors is an integer number (2006375490).

Almost surely, 2^53126042844 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 53126042844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72229517640).

53126042844 is an abundant number, since it is smaller than the sum of its proper divisors (91332992436).

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

53126042844 is a wasteful number, since it uses less digits than its factorization.

53126042844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162787 (or 162778 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 53126042844 in words is "fifty-three billion, one hundred twenty-six million, forty-two thousand, eight hundred forty-four".