53015412332520 has 384 divisors, whose sum is σ = 193160805027840. Its totient is φ = 12497286942720.

The previous prime is 53015412332497. The next prime is 53015412332527. The reversal of 53015412332520 is 2523321451035.

53015412332520 is a `hidden beast` number, since 5 + 3 + 0 + 1 + 5 + 4 + 123 + 3 + 2 + 520 = 666.

It is a super-2 number, since 2×53015412332520² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (53015412332527) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 243553972 + ... + 243771548.

It is an arithmetic number, because the mean of its divisors is an integer number (503022929760).

Almost surely, 2^{53015412332520} 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 53015412332520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96580402513920).

53015412332520 is an abundant number, since it is smaller than the sum of its proper divisors (140145392695320).

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

53015412332520 is a wasteful number, since it uses less digits than its factorization.

53015412332520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219305 (or 219298 counting only the distinct ones).

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

Adding to 53015412332520 its reverse (2523321451035), we get a palindrome (55538733783555).

The spelling of 53015412332520 in words is "fifty-three trillion, fifteen billion, four hundred twelve million, three hundred thirty-two thousand, five hundred twenty".