57722143 has 2 divisors, whose sum is σ = 57722144. Its totient is φ = 57722142.

The previous prime is 57722129. The next prime is 57722233. The reversal of 57722143 is 34122775.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57722143 - 2²⁵ = 24167711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57722243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28861071 + 28861072.

It is an arithmetic number, because the mean of its divisors is an integer number (28861072).

Almost surely, 2^57722143 is an apocalyptic number.

57722143 is a deficient number, since it is larger than the sum of its proper divisors (1).

57722143 is an equidigital number, since it uses as much as digits as its factorization.

57722143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 31.

The square root of 57722143 is about 7597.5089996656. The cubic root of 57722143 is about 386.4685420626.

The spelling of 57722143 in words is "fifty-seven million, seven hundred twenty-two thousand, one hundred forty-three".