57247012 has 6 divisors (see below), whose sum is σ = 100182278. Its totient is φ = 28623504.

The previous prime is 57246989. The next prime is 57247031. The reversal of 57247012 is 21074275.

It can be written as a sum of positive squares in only one way, i.e., 42068196 + 15178816 = 6486^2 + 3896^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7155873 + ... + 7155880.

Almost surely, 2^57247012 is an apocalyptic number.

It is an amenable number.

57247012 is a deficient number, since it is larger than the sum of its proper divisors (42935266).

57247012 is a wasteful number, since it uses less digits than its factorization.

57247012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14311757 (or 14311755 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 57247012 is about 7566.1755200365. The cubic root of 57247012 is about 385.4052336334.

The spelling of 57247012 in words is "fifty-seven million, two hundred forty-seven thousand, twelve".