53505523042220 has 12 divisors (see below), whose sum is σ = 112361598388704. Its totient is φ = 21402209216880.

The previous prime is 53505523042217. The next prime is 53505523042241. The reversal of 53505523042220 is 2224032550535.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1337638076036 + ... + 1337638076075.

It is an arithmetic number, because the mean of its divisors is an integer number (9363466532392).

Almost surely, 2^{53505523042220} is an apocalyptic number.

It is an amenable number.

53505523042220 is an abundant number, since it is smaller than the sum of its proper divisors (58856075346484).

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

53505523042220 is a wasteful number, since it uses less digits than its factorization.

53505523042220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675276152120 (or 2675276152118 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 38.

Adding to 53505523042220 its reverse (2224032550535), we get a palindrome (55729555592755).

The spelling of 53505523042220 in words is "fifty-three trillion, five hundred five billion, five hundred twenty-three million, forty-two thousand, two hundred twenty".