56216115 has 12 divisors (see below), whose sum is σ = 97441344. Its totient is φ = 29981904.

The previous prime is 56216099. The next prime is 56216129. The reversal of 56216115 is 51161265.

It is a happy number.

It is not a de Polignac number, because 56216115 - 2⁴ = 56216099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 624579 + ... + 624668.

It is an arithmetic number, because the mean of its divisors is an integer number (8120112).

Almost surely, 2^56216115 is an apocalyptic number.

56216115 is a deficient number, since it is larger than the sum of its proper divisors (41225229).

56216115 is a wasteful number, since it uses less digits than its factorization.

56216115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249258 (or 1249255 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 56216115 is about 7497.7406596921. The cubic root of 56216115 is about 383.0777632755.

The spelling of 56216115 in words is "fifty-six million, two hundred sixteen thousand, one hundred fifteen".