53040010520 has 128 divisors (see below), whose sum is σ = 141298560000. Its totient is φ = 17532329472.

The previous prime is 53040010501. The next prime is 53040010537. The reversal of 53040010520 is 2501004035.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 53040010492 and 53040010501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5996261 + ... + 6005099.

It is an arithmetic number, because the mean of its divisors is an integer number (1103895000).

Almost surely, 2^53040010520 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 53040010520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70649280000).

53040010520 is an abundant number, since it is smaller than the sum of its proper divisors (88258549480).

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

53040010520 is a wasteful number, since it uses less digits than its factorization.

53040010520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9625 (or 9621 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 53040010520 its reverse (2501004035), we get a palindrome (55541014555).

The spelling of 53040010520 in words is "fifty-three billion, forty million, ten thousand, five hundred twenty".