57107047 has 2 divisors, whose sum is σ = 57107048. Its totient is φ = 57107046.

The previous prime is 57107033. The next prime is 57107087. The reversal of 57107047 is 74070175.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57107047 - 2¹⁵ = 57074279 is a prime.

It is a super-2 number, since 2×57107047² = 6522429634120418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57107087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28553523 + 28553524.

It is an arithmetic number, because the mean of its divisors is an integer number (28553524).

Almost surely, 2^57107047 is an apocalyptic number.

57107047 is a deficient number, since it is larger than the sum of its proper divisors (1).

57107047 is an equidigital number, since it uses as much as digits as its factorization.

57107047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 57107047 is about 7556.9204706679. The cubic root of 57107047 is about 385.0908808899.

The spelling of 57107047 in words is "fifty-seven million, one hundred seven thousand, forty-seven".