57509467 has 2 divisors, whose sum is σ = 57509468. Its totient is φ = 57509466.

The previous prime is 57509461. The next prime is 57509477. The reversal of 57509467 is 76490575.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57509467 is a prime.

It is not a weakly prime, because it can be changed into another prime (57509461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28754733 + 28754734.

It is an arithmetic number, because the mean of its divisors is an integer number (28754734).

Almost surely, 2^57509467 is an apocalyptic number.

57509467 is a deficient number, since it is larger than the sum of its proper divisors (1).

57509467 is an equidigital number, since it uses as much as digits as its factorization.

57509467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 57509467 is about 7583.4996538538. The cubic root of 57509467 is about 385.9933129037.

The spelling of 57509467 in words is "fifty-seven million, five hundred nine thousand, four hundred sixty-seven".