52068940 has 48 divisors (see below), whose sum is σ = 136329984. Its totient is φ = 16228800.

The previous prime is 52068853. The next prime is 52068959. The reversal of 52068940 is 4986025.

It is a happy number.

It is a super-2 number, since 2×52068940² = 5422349025447200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 52068896 and 52068905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15366 + ... + 18445.

It is an arithmetic number, because the mean of its divisors is an integer number (2840208).

Almost surely, 2^52068940 is an apocalyptic number.

It is an amenable number.

52068940 is an abundant number, since it is smaller than the sum of its proper divisors (84261044).

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

52068940 is a wasteful number, since it uses less digits than its factorization.

52068940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33838 (or 33836 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 52068940 is about 7215.8810965813. The cubic root of 52068940 is about 373.4159911224.

The spelling of 52068940 in words is "fifty-two million, sixty-eight thousand, nine hundred forty".