57021704216 has 16 divisors (see below), whose sum is σ = 107077944600. Its totient is φ = 28467585664.

The previous prime is 57021704189. The next prime is 57021704231. The reversal of 57021704216 is 61240712075.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5402705 + ... + 5413248.

Almost surely, 2^57021704216 is an apocalyptic number.

It is an amenable number.

57021704216 is a deficient number, since it is larger than the sum of its proper divisors (50056240384).

57021704216 is a wasteful number, since it uses less digits than its factorization.

57021704216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10816618 (or 10816614 counting only the distinct ones).

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

The spelling of 57021704216 in words is "fifty-seven billion, twenty-one million, seven hundred four thousand, two hundred sixteen".