57116447 has 16 divisors (see below), whose sum is σ = 62208000. Its totient is φ = 52241280.

The previous prime is 57116431. The next prime is 57116453. The reversal of 57116447 is 74461175.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 57116447 - 2⁴ = 57116431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57116467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95054 + ... + 95652.

It is an arithmetic number, because the mean of its divisors is an integer number (3888000).

Almost surely, 2^57116447 is an apocalyptic number.

57116447 is a deficient number, since it is larger than the sum of its proper divisors (5091553).

57116447 is a wasteful number, since it uses less digits than its factorization.

57116447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766.

The product of its digits is 23520, while the sum is 35.

The square root of 57116447 is about 7557.5423915450. The cubic root of 57116447 is about 385.1120087884.

The spelling of 57116447 in words is "fifty-seven million, one hundred sixteen thousand, four hundred forty-seven".