57702216 has 256 divisors, whose sum is σ = 191600640. Its totient is φ = 14192640.

The previous prime is 57702167. The next prime is 57702223. The reversal of 57702216 is 61220775.

57702216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1341891 + ... + 1341933.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 2^57702216 is an apocalyptic number.

57702216 is the 4386-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57702216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95800320).

57702216 is an abundant number, since it is smaller than the sum of its proper divisors (133898424).

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

57702216 is a wasteful number, since it uses less digits than its factorization.

57702216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 57702216 is about 7596.1974697871. The cubic root of 57702216 is about 386.4240643595.

The spelling of 57702216 in words is "fifty-seven million, seven hundred two thousand, two hundred sixteen".