53656916 has 12 divisors (see below), whose sum is σ = 94248000. Its totient is φ = 26728920.

The previous prime is 53656909. The next prime is 53656937. The reversal of 53656916 is 61965635.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23666 + ... + 25833.

It is an arithmetic number, because the mean of its divisors is an integer number (7854000).

Almost surely, 2^53656916 is an apocalyptic number.

It is an amenable number.

53656916 is a deficient number, since it is larger than the sum of its proper divisors (40591084).

53656916 is a wasteful number, since it uses less digits than its factorization.

53656916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49774 (or 49772 counting only the distinct ones).

The product of its digits is 145800, while the sum is 41.

The square root of 53656916 is about 7325.0881223368. The cubic root of 53656916 is about 377.1741345294.

The spelling of 53656916 in words is "fifty-three million, six hundred fifty-six thousand, nine hundred sixteen".