53115628 has 12 divisors (see below), whose sum is σ = 94476592. Its totient is φ = 26122320.

The previous prime is 53115619. The next prime is 53115631. The reversal of 53115628 is 82651135.

It is a self number, because there is not a number n which added to its sum of digits gives 53115628.

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, 108600 + ... + 109087.

Almost surely, 2^53115628 is an apocalyptic number.

It is an amenable number.

53115628 is a deficient number, since it is larger than the sum of its proper divisors (41360964).

53115628 is a wasteful number, since it uses less digits than its factorization.

53115628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217752 (or 217750 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 53115628 is about 7288.0469263034. The cubic root of 53115628 is about 375.9015416716.

The spelling of 53115628 in words is "fifty-three million, one hundred fifteen thousand, six hundred twenty-eight".