57319007 has 2 divisors, whose sum is σ = 57319008. Its totient is φ = 57319006.

The previous prime is 57318997. The next prime is 57319021. The reversal of 57319007 is 70091375.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57319007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57319027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28659503 + 28659504.

It is an arithmetic number, because the mean of its divisors is an integer number (28659504).

Almost surely, 2^57319007 is an apocalyptic number.

57319007 is a deficient number, since it is larger than the sum of its proper divisors (1).

57319007 is an equidigital number, since it uses as much as digits as its factorization.

57319007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 57319007 is about 7570.9317128079. The cubic root of 57319007 is about 385.5667304237.

The spelling of 57319007 in words is "fifty-seven million, three hundred nineteen thousand, seven".