53263304021660 has 24 divisors (see below), whose sum is σ = 112080744858096. Its totient is φ = 21261929911040.

The previous prime is 53263304021573. The next prime is 53263304021737. The reversal of 53263304021660 is 6612040336235.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2711971037 + ... + 2711990676.

It is an arithmetic number, because the mean of its divisors is an integer number (4670031035754).

Almost surely, 2^{53263304021660} is an apocalyptic number.

It is an amenable number.

53263304021660 is an abundant number, since it is smaller than the sum of its proper divisors (58817440836436).

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

53263304021660 is a wasteful number, since it uses less digits than its factorization.

53263304021660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423962213 (or 5423962211 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 41.

Adding to 53263304021660 its reverse (6612040336235), we get a palindrome (59875344357895).

The spelling of 53263304021660 in words is "fifty-three trillion, two hundred sixty-three billion, three hundred four million, twenty-one thousand, six hundred sixty".