52683840 has 168 divisors, whose sum is σ = 197803008. Its totient is φ = 12764160.

The previous prime is 52683797. The next prime is 52683853. The reversal of 52683840 is 4838625.

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

It is a junction number, because it is equal to n+sod(n) for n = 52683795 and 52683804.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30849 + ... + 32511.

Almost surely, 2^52683840 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 52683840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98901504).

52683840 is an abundant number, since it is smaller than the sum of its proper divisors (145119168).

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

52683840 is a wasteful number, since it uses less digits than its factorization.

52683840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697 (or 1684 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 52683840 is about 7258.3634519084. The cubic root of 52683840 is about 374.8801750494.

The spelling of 52683840 in words is "fifty-two million, six hundred eighty-three thousand, eight hundred forty".