57485767 has 2 divisors, whose sum is σ = 57485768. Its totient is φ = 57485766.

The previous prime is 57485759. The next prime is 57485783. The reversal of 57485767 is 76758475.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57485767 - 2³ = 57485759 is a prime.

It is a super-2 number, since 2×57485767² = 6609226815156578, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 57485767.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57485737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28742883 + 28742884.

It is an arithmetic number, because the mean of its divisors is an integer number (28742884).

Almost surely, 2^57485767 is an apocalyptic number.

57485767 is a deficient number, since it is larger than the sum of its proper divisors (1).

57485767 is an equidigital number, since it uses as much as digits as its factorization.

57485767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1646400, while the sum is 49.

The square root of 57485767 is about 7581.9368897400. The cubic root of 57485767 is about 385.9402822235.

The spelling of 57485767 in words is "fifty-seven million, four hundred eighty-five thousand, seven hundred sixty-seven".