57106216 has 32 divisors (see below), whose sum is σ = 110995200. Its totient is φ = 27515520.

The previous prime is 57106211. The next prime is 57106219. The reversal of 57106216 is 61260175.

It is a super-2 number, since 2×57106216² = 6522239811677312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57106211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101151 + ... + 101713.

It is an arithmetic number, because the mean of its divisors is an integer number (3468600).

Almost surely, 2^57106216 is an apocalyptic number.

It is an amenable number.

57106216 is a deficient number, since it is larger than the sum of its proper divisors (53888984).

57106216 is a wasteful number, since it uses less digits than its factorization.

57106216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 57106216 is about 7556.8654877535. The cubic root of 57106216 is about 385.0890129822.

The spelling of 57106216 in words is "fifty-seven million, one hundred six thousand, two hundred sixteen".