53656040 has 32 divisors (see below), whose sum is σ = 124623360. Its totient is φ = 20769600.

The previous prime is 53656037. The next prime is 53656051. The reversal of 53656040 is 4065635.

It is a junction number, because it is equal to n+sod(n) for n = 53655994 and 53656012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20396 + ... + 22875.

It is an arithmetic number, because the mean of its divisors is an integer number (3894480).

Almost surely, 2^53656040 is an apocalyptic number.

It is an amenable number.

53656040 is an abundant number, since it is smaller than the sum of its proper divisors (70967320).

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

53656040 is a wasteful number, since it uses less digits than its factorization.

53656040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43313 (or 43309 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 53656040 is about 7325.0283275903. The cubic root of 53656040 is about 377.1720819432.

The spelling of 53656040 in words is "fifty-three million, six hundred fifty-six thousand, forty".