57069983 has 2 divisors, whose sum is σ = 57069984. Its totient is φ = 57069982.

The previous prime is 57069979. The next prime is 57070001. The reversal of 57069983 is 38996075.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57069983 - 2² = 57069979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57069913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28534991 + 28534992.

It is an arithmetic number, because the mean of its divisors is an integer number (28534992).

Almost surely, 2^57069983 is an apocalyptic number.

57069983 is a deficient number, since it is larger than the sum of its proper divisors (1).

57069983 is an equidigital number, since it uses as much as digits as its factorization.

57069983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 57069983 is about 7554.4677509405. The cubic root of 57069983 is about 385.0075514345.

The spelling of 57069983 in words is "fifty-seven million, sixty-nine thousand, nine hundred eighty-three".