53717660 has 12 divisors (see below), whose sum is σ = 112807128. Its totient is φ = 21487056.

The previous prime is 53717633. The next prime is 53717669. The reversal of 53717660 is 6671735.

It is a self number, because there is not a number n which added to its sum of digits gives 53717660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53717669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342922 + ... + 1342961.

It is an arithmetic number, because the mean of its divisors is an integer number (9400594).

Almost surely, 2^53717660 is an apocalyptic number.

It is an amenable number.

53717660 is an abundant number, since it is smaller than the sum of its proper divisors (59089468).

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

53717660 is a wasteful number, since it uses less digits than its factorization.

53717660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685892 (or 2685890 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 53717660 is about 7329.2332477552. The cubic root of 53717660 is about 377.3164114686.

It can be divided in two parts, 5371 and 7660, that added together give a palindrome (13031).

The spelling of 53717660 in words is "fifty-three million, seven hundred seventeen thousand, six hundred sixty".