53520401525220 has 432 divisors, whose sum is σ = 190500946167168. Its totient is φ = 11913395696640.

The previous prime is 53520401525197. The next prime is 53520401525243. The reversal of 53520401525220 is 2252510402535.

53520401525220 is a `hidden beast` number, since 5 + 3 + 5 + 2 + 0 + 401 + 5 + 25 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (53520401525197) and next prime (53520401525243).

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

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 469251400 + ... + 469365440.

It is an arithmetic number, because the mean of its divisors is an integer number (440974412424).

Almost surely, 2^{53520401525220} 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 53520401525220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95250473083584).

53520401525220 is an abundant number, since it is smaller than the sum of its proper divisors (136980544641948).

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

53520401525220 is a wasteful number, since it uses less digits than its factorization.

53520401525220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114288 (or 114224 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 53520401525220 its reverse (2252510402535), we get a palindrome (55772911927755).

The spelling of 53520401525220 in words is "fifty-three trillion, five hundred twenty billion, four hundred one million, five hundred twenty-five thousand, two hundred twenty".