57422705 has 12 divisors (see below), whose sum is σ = 70828380. Its totient is φ = 44691264.

The previous prime is 57422689. The next prime is 57422713. The reversal of 57422705 is 50722475.

It can be written as a sum of positive squares in 6 ways, for example, as 17783089 + 39639616 = 4217^2 + 6296^2 .

It is not a de Polignac number, because 57422705 - 2⁴ = 57422689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2651 + ... + 11039.

It is an arithmetic number, because the mean of its divisors is an integer number (5902365).

Almost surely, 2^57422705 is an apocalyptic number.

It is an amenable number.

57422705 is a deficient number, since it is larger than the sum of its proper divisors (13405675).

57422705 is an equidigital number, since it uses as much as digits as its factorization.

57422705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8468 (or 8431 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 57422705 is about 7577.7770487129. Note that the first 3 decimals coincide. The cubic root of 57422705 is about 385.7991048362.

The spelling of 57422705 in words is "fifty-seven million, four hundred twenty-two thousand, seven hundred five".