57480307 has 2 divisors, whose sum is σ = 57480308. Its totient is φ = 57480306.

The previous prime is 57480299. The next prime is 57480323. The reversal of 57480307 is 70308475.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57480307 - 2³ = 57480299 is a prime.

It is not a weakly prime, because it can be changed into another prime (57480347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28740153 + 28740154.

It is an arithmetic number, because the mean of its divisors is an integer number (28740154).

Almost surely, 2^57480307 is an apocalyptic number.

57480307 is a deficient number, since it is larger than the sum of its proper divisors (1).

57480307 is an equidigital number, since it uses as much as digits as its factorization.

57480307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 57480307 is about 7581.5768148849. The cubic root of 57480307 is about 385.9280629632.

The spelling of 57480307 in words is "fifty-seven million, four hundred eighty thousand, three hundred seven".