53061251660 has 24 divisors (see below), whose sum is σ = 113091745200. Its totient is φ = 20907716544.

The previous prime is 53061251651. The next prime is 53061251681. The reversal of 53061251660 is 6615216035.

It is a self number, because there is not a number n which added to its sum of digits gives 53061251660.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19797635 + ... + 19800314.

It is an arithmetic number, because the mean of its divisors is an integer number (4712156050).

Almost surely, 2^53061251660 is an apocalyptic number.

It is an amenable number.

53061251660 is an abundant number, since it is smaller than the sum of its proper divisors (60030493540).

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

53061251660 is a wasteful number, since it uses less digits than its factorization.

53061251660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39598025 (or 39598023 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 53061251660 its reverse (6615216035), we get a palindrome (59676467695).

The spelling of 53061251660 in words is "fifty-three billion, sixty-one million, two hundred fifty-one thousand, six hundred sixty".