56938216 has 8 divisors (see below), whose sum is σ = 106759170. Its totient is φ = 28469104.

The previous prime is 56938213. The next prime is 56938247. The reversal of 56938216 is 61283965.

It can be written as a sum of positive squares in only one way, i.e., 40373316 + 16564900 = 6354^2 + 4070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (56938213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3558631 + ... + 3558646.

Almost surely, 2^56938216 is an apocalyptic number.

It is an amenable number.

56938216 is a deficient number, since it is larger than the sum of its proper divisors (49820954).

56938216 is a wasteful number, since it uses less digits than its factorization.

56938216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7117283 (or 7117279 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 56938216 is about 7545.7415805208. The cubic root of 56938216 is about 384.7110126853.

The spelling of 56938216 in words is "fifty-six million, nine hundred thirty-eight thousand, two hundred sixteen".