52646040 has 48 divisors (see below), whose sum is σ = 171100800. Its totient is φ = 14038848.

The previous prime is 52646039. The next prime is 52646051. The reversal of 52646040 is 4064625.

It is a happy number.

52646040 is a `hidden beast` number, since 52 + 6 + 4 + 604 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 52645995 and 52646013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72760 + ... + 73479.

It is an arithmetic number, because the mean of its divisors is an integer number (3564600).

Almost surely, 2^52646040 is an apocalyptic number.

It is an amenable number.

52646040 is an abundant number, since it is smaller than the sum of its proper divisors (118454760).

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

52646040 is a wasteful number, since it uses less digits than its factorization.

52646040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146256 (or 146249 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 52646040 is about 7255.7590919214. The cubic root of 52646040 is about 374.7904963103.

The spelling of 52646040 in words is "fifty-two million, six hundred forty-six thousand, forty".