53868216 has 16 divisors (see below), whose sum is σ = 134670600. Its totient is φ = 17956064.

The previous prime is 53868209. The next prime is 53868253. The reversal of 53868216 is 61286835.

It is a happy number.

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, 1122231 + ... + 1122278.

Almost surely, 2^53868216 is an apocalyptic number.

It is an amenable number.

53868216 is an abundant number, since it is smaller than the sum of its proper divisors (80802384).

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

53868216 is a wasteful number, since it uses less digits than its factorization.

53868216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244518 (or 2244514 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 53868216 is about 7339.4969854889. The cubic root of 53868216 is about 377.6685877695.

The spelling of 53868216 in words is "fifty-three million, eight hundred sixty-eight thousand, two hundred sixteen".