53520371566620 has 192 divisors, whose sum is σ = 172847931970560. Its totient is φ = 12120189677568.

The previous prime is 53520371566601. The next prime is 53520371566637. The reversal of 53520371566620 is 2666517302535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 931456932 + ... + 931514388.

It is an arithmetic number, because the mean of its divisors is an integer number (900249645680).

Almost surely, 2^{53520371566620} 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 53520371566620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86423965985280).

53520371566620 is an abundant number, since it is smaller than the sum of its proper divisors (119327560403940).

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

53520371566620 is a wasteful number, since it uses less digits than its factorization.

53520371566620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77932 (or 77930 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 51.

The spelling of 53520371566620 in words is "fifty-three trillion, five hundred twenty billion, three hundred seventy-one million, five hundred sixty-six thousand, six hundred twenty".